125743242 has 32 divisors (see below), whose sum is σ = 263181312. Its totient is φ = 40008384.

The previous prime is 125743229. The next prime is 125743249. The reversal of 125743242 is 242347521.

It is a super-2 number, since 2×125743242² = 31622725817341128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125743249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6423 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (8224416).

Almost surely, 2^125743242 is an apocalyptic number.

125743242 is an abundant number, since it is smaller than the sum of its proper divisors (137438070).

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

125743242 is a wasteful number, since it uses less digits than its factorization.

125743242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782.

The product of its digits is 13440, while the sum is 30.

The square root of 125743242 is about 11213.5294176276. The cubic root of 125743242 is about 500.9890316761.

The spelling of 125743242 in words is "one hundred twenty-five million, seven hundred forty-three thousand, two hundred forty-two".