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121232061 = 3213470229
BaseRepresentation
bin1110011100111…
…01101010111101
322110010020010100
413032131222331
5222013411221
620010231313
73001312146
oct716355275
9273106110
10121232061
1162483495
1234725539
131c168962
141215aacd
15a99a926
hex739dabd

121232061 has 6 divisors (see below), whose sum is σ = 175112990. Its totient is φ = 80821368.

The previous prime is 121232051. The next prime is 121232101. The reversal of 121232061 is 160232121.

It can be written as a sum of positive squares in only one way, i.e., 69305625 + 51926436 = 8325^2 + 7206^2 .

It is not a de Polignac number, because 121232061 - 25 = 121232029 is a prime.

It is a super-2 number, since 2×1212320612 = 29394425228615442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6735106 + ... + 6735123.

Almost surely, 2121232061 is an apocalyptic number.

It is an amenable number.

121232061 is a deficient number, since it is larger than the sum of its proper divisors (53880929).

121232061 is a wasteful number, since it uses less digits than its factorization.

121232061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470235 (or 13470232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121232061 is about 11010.5431746122. The cubic root of 121232061 is about 494.9247390934.

Adding to 121232061 its reverse (160232121), we get a palindrome (281464182).

The spelling of 121232061 in words is "one hundred twenty-one million, two hundred thirty-two thousand, sixty-one".

Divisors: 1 3 9 13470229 40410687 121232061