125563774 has 12 divisors (see below), whose sum is σ = 219096144. Its totient is φ = 53813004.

The previous prime is 125563769. The next prime is 125563787. The reversal of 125563774 is 477365521.

It is a super-2 number, since 2×125563774² = 31532522682246152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640534 + ... + 640729.

It is an arithmetic number, because the mean of its divisors is an integer number (18258012).

Almost surely, 2^125563774 is an apocalyptic number.

125563774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125563774 is a deficient number, since it is larger than the sum of its proper divisors (93532370).

125563774 is a wasteful number, since it uses less digits than its factorization.

125563774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281279 (or 1281272 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

The square root of 125563774 is about 11205.5242626126. The cubic root of 125563774 is about 500.7505713881.

The spelling of 125563774 in words is "one hundred twenty-five million, five hundred sixty-three thousand, seven hundred seventy-four".