126261357 has 16 divisors (see below), whose sum is σ = 176732160. Its totient is φ = 80074800.

The previous prime is 126261347. The next prime is 126261361. The reversal of 126261357 is 753162621.

It is not a de Polignac number, because 126261357 - 2⁶ = 126261293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126261307) 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, 6019 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (11045760).

Almost surely, 2^126261357 is an apocalyptic number.

It is an amenable number.

126261357 is a deficient number, since it is larger than the sum of its proper divisors (50470803).

126261357 is a wasteful number, since it uses less digits than its factorization.

126261357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23104.

The product of its digits is 15120, while the sum is 33.

The square root of 126261357 is about 11236.6078956240. The cubic root of 126261357 is about 501.6761838694.

The spelling of 126261357 in words is "one hundred twenty-six million, two hundred sixty-one thousand, three hundred fifty-seven".