125355542 has 16 divisors (see below), whose sum is σ = 202713840. Its totient is φ = 57794592.

The previous prime is 125355539. The next prime is 125355553. The reversal of 125355542 is 245553521.

It is a super-2 number, since 2×125355542² = 31428023820227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125355499 and 125355508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29993 + ... + 33915.

It is an arithmetic number, because the mean of its divisors is an integer number (12669615).

Almost surely, 2^125355542 is an apocalyptic number.

125355542 is a deficient number, since it is larger than the sum of its proper divisors (77358298).

125355542 is a wasteful number, since it uses less digits than its factorization.

125355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its digits is 30000, while the sum is 32.

The square root of 125355542 is about 11196.2289187029. The cubic root of 125355542 is about 500.4736072507.

The spelling of 125355542 in words is "one hundred twenty-five million, three hundred fifty-five thousand, five hundred forty-two".