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122010142 = 261005071
BaseRepresentation
bin1110100010110…
…11101000011110
322111120202110011
413101123220132
5222213311032
620035033434
73011032462
oct721335036
9274522404
10122010142
1162965031
1234a3b87a
131c37bb67
14122c04a2
15aaa1247
hex745ba1e

122010142 has 4 divisors (see below), whose sum is σ = 183015216. Its totient is φ = 61005070.

The previous prime is 122010113. The next prime is 122010151. The reversal of 122010142 is 241010221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30502534 + ... + 30502537.

It is an arithmetic number, because the mean of its divisors is an integer number (45753804).

Almost surely, 2122010142 is an apocalyptic number.

122010142 is a deficient number, since it is larger than the sum of its proper divisors (61005074).

122010142 is an equidigital number, since it uses as much as digits as its factorization.

122010142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61005073.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122010142 is about 11045.8201144143. The cubic root of 122010142 is about 495.9813094544.

Adding to 122010142 its reverse (241010221), we get a palindrome (363020363).

The spelling of 122010142 in words is "one hundred twenty-two million, ten thousand, one hundred forty-two".

Divisors: 1 2 61005071 122010142