125402043 has 16 divisors (see below), whose sum is σ = 180884480. Its totient is φ = 76819104.

The previous prime is 125402029. The next prime is 125402051. The reversal of 125402043 is 340204521.

It is not a de Polignac number, because 125402043 - 2¹⁶ = 125336507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125402083) 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, 1488 + ... + 15906.

It is an arithmetic number, because the mean of its divisors is an integer number (11305280).

Almost surely, 2^125402043 is an apocalyptic number.

125402043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125402043 is a deficient number, since it is larger than the sum of its proper divisors (55482437).

125402043 is a wasteful number, since it uses less digits than its factorization.

125402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14658.

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

The square root of 125402043 is about 11198.3053628663. The cubic root of 125402043 is about 500.5354836431.

Adding to 125402043 its reverse (340204521), we get a palindrome (465606564).

The spelling of 125402043 in words is "one hundred twenty-five million, four hundred two thousand, forty-three".