125043042 has 32 divisors (see below), whose sum is σ = 263917440. Its totient is φ = 39416960.

The previous prime is 125043029. The next prime is 125043053. The reversal of 125043042 is 240340521.

It is a super-2 number, since 2×125043042² = 31271524705227528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7192 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (8247420).

Almost surely, 2^125043042 is an apocalyptic number.

125043042 is an abundant number, since it is smaller than the sum of its proper divisors (138874398).

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

125043042 is a wasteful number, since it uses less digits than its factorization.

125043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 125043042 is about 11182.2646185824. The cubic root of 125043042 is about 500.0573827475.

Adding to 125043042 its reverse (240340521), we get a palindrome (365383563).

The spelling of 125043042 in words is "one hundred twenty-five million, forty-three thousand, forty-two".