126249342 has 16 divisors (see below), whose sum is σ = 252742032. Its totient is φ = 42042560.

The previous prime is 126249341. The next prime is 126249349. The reversal of 126249342 is 243942621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126249341) 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, 3009 + ... + 16172.

It is an arithmetic number, because the mean of its divisors is an integer number (15796377).

Almost surely, 2^126249342 is an apocalyptic number.

126249342 is an abundant number, since it is smaller than the sum of its proper divisors (126492690).

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

126249342 is a wasteful number, since it uses less digits than its factorization.

126249342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20283.

The product of its digits is 20736, while the sum is 33.

The square root of 126249342 is about 11236.0732464683. The cubic root of 126249342 is about 501.6602702368.

The spelling of 126249342 in words is "one hundred twenty-six million, two hundred forty-nine thousand, three hundred forty-two".