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121022514 = 23219353867
BaseRepresentation
bin1110011011010…
…10100000110010
322102201120200100
413031222200302
5221440210024
620001533230
72666450214
oct715524062
9272646610
10121022514
1162350008
1234644216
131c0c4472
14121045b4
15a9587c9
hex736a832

121022514 has 24 divisors (see below), whose sum is σ = 276017040. Its totient is φ = 38217528.

The previous prime is 121022513. The next prime is 121022521. The reversal of 121022514 is 415220121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121022513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176592 + ... + 177275.

It is an arithmetic number, because the mean of its divisors is an integer number (11500710).

Almost surely, 2121022514 is an apocalyptic number.

121022514 is an abundant number, since it is smaller than the sum of its proper divisors (154994526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022514 is a wasteful number, since it uses less digits than its factorization.

121022514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353894 (or 353891 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121022514 is about 11001.0233160375. The cubic root of 121022514 is about 494.6394190651.

Adding to 121022514 its reverse (415220121), we get a palindrome (536242635).

The spelling of 121022514 in words is "one hundred twenty-one million, twenty-two thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 353867 707734 1061601 2123202 3184803 6369606 6723473 13446946 20170419 40340838 60511257 121022514