126255428 has 12 divisors (see below), whose sum is σ = 237943020. Its totient is φ = 58271712.

The previous prime is 126255427. The next prime is 126255431. The reversal of 126255428 is 824552621.

It can be written as a sum of positive squares in 2 ways, for example, as 85525504 + 40729924 = 9248^2 + 6382^2 .

It is not an unprimeable number, because it can be changed into a prime (126255427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213943 + ... + 1214046.

It is an arithmetic number, because the mean of its divisors is an integer number (19828585).

Almost surely, 2^126255428 is an apocalyptic number.

It is an amenable number.

126255428 is a deficient number, since it is larger than the sum of its proper divisors (111687592).

126255428 is a wasteful number, since it uses less digits than its factorization.

126255428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428006 (or 2428004 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 126255428 is about 11236.3440673557. The cubic root of 126255428 is about 501.6683311510.

The spelling of 126255428 in words is "one hundred twenty-six million, two hundred fifty-five thousand, four hundred twenty-eight".