126255387 has 4 divisors (see below), whose sum is σ = 168340520. Its totient is φ = 84170256.

The previous prime is 126255383. The next prime is 126255391. The reversal of 126255387 is 783552621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (126255383) and next prime (126255391).

It is not a de Polignac number, because 126255387 - 2² = 126255383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126255383) 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, 21042562 + ... + 21042567.

It is an arithmetic number, because the mean of its divisors is an integer number (42085130).

Almost surely, 2^126255387 is an apocalyptic number.

126255387 is a deficient number, since it is larger than the sum of its proper divisors (42085133).

126255387 is an equidigital number, since it uses as much as digits as its factorization.

126255387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42085132.

The product of its digits is 100800, while the sum is 39.

The square root of 126255387 is about 11236.3422429187. The cubic root of 126255387 is about 501.6682768473.

The spelling of 126255387 in words is "one hundred twenty-six million, two hundred fifty-five thousand, three hundred eighty-seven".