123461572 has 12 divisors (see below), whose sum is σ = 232677676. Its totient is φ = 56982240.

The previous prime is 123461567. The next prime is 123461573. The reversal of 123461572 is 275164321.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 107827456 = 3954^2 + 10384^2 .

It is a super-2 number, since 2×123461572² = 30485519521422368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (123461573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187079 + ... + 1187182.

Almost surely, 2^123461572 is an apocalyptic number.

It is an amenable number.

123461572 is a deficient number, since it is larger than the sum of its proper divisors (109216104).

123461572 is a wasteful number, since it uses less digits than its factorization.

123461572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374278 (or 2374276 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 123461572 is about 11111.3262934719. The cubic root of 123461572 is about 497.9402895028.

The spelling of 123461572 in words is "one hundred twenty-three million, four hundred sixty-one thousand, five hundred seventy-two".