125654542 has 24 divisors (see below), whose sum is σ = 207587880. Its totient is φ = 57002400.

The previous prime is 125654539. The next prime is 125654549. The reversal of 125654542 is 245456521.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125654498 and 125654507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125654549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16792 + ... + 23092.

It is an arithmetic number, because the mean of its divisors is an integer number (8649495).

Almost surely, 2^125654542 is an apocalyptic number.

125654542 is a deficient number, since it is larger than the sum of its proper divisors (81933338).

125654542 is a wasteful number, since it uses less digits than its factorization.

125654542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388 (or 6375 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 125654542 is about 11209.5736761038. The cubic root of 125654542 is about 500.8712037929.

The spelling of 125654542 in words is "one hundred twenty-five million, six hundred fifty-four thousand, five hundred forty-two".