125548242 has 16 divisors (see below), whose sum is σ = 251582880. Its totient is φ = 41768352.

The previous prime is 125548223. The next prime is 125548249. The reversal of 125548242 is 242845521.

It is a super-2 number, since 2×125548242² = 31524722138581128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125548249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16867 + ... + 23142.

It is an arithmetic number, because the mean of its divisors is an integer number (15723930).

Almost surely, 2^125548242 is an apocalyptic number.

125548242 is an abundant number, since it is smaller than the sum of its proper divisors (126034638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125548242 is a wasteful number, since it uses less digits than its factorization.

125548242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40537.

The product of its digits is 25600, while the sum is 33.

The square root of 125548242 is about 11204.8311901608. The cubic root of 125548242 is about 500.7299232389.

The spelling of 125548242 in words is "one hundred twenty-five million, five hundred forty-eight thousand, two hundred forty-two".