126963457 has 4 divisors (see below), whose sum is σ = 129115440. Its totient is φ = 124811476.

The previous prime is 126963451. The next prime is 126963467. The reversal of 126963457 is 754369621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754369621 = 401 ⋅1881221.

It is a cyclic number.

It is not a de Polignac number, because 126963457 - 2³ = 126963449 is a prime.

It is a super-2 number, since 2×126963457² = 32239438826781698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126963451) 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, 1075903 + ... + 1076020.

It is an arithmetic number, because the mean of its divisors is an integer number (32278860).

Almost surely, 2^126963457 is an apocalyptic number.

It is an amenable number.

126963457 is a deficient number, since it is larger than the sum of its proper divisors (2151983).

126963457 is an equidigital number, since it uses as much as digits as its factorization.

126963457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151982.

The product of its digits is 272160, while the sum is 43.

The square root of 126963457 is about 11267.8062194910. The cubic root of 126963457 is about 502.6043537967.

The spelling of 126963457 in words is "one hundred twenty-six million, nine hundred sixty-three thousand, four hundred fifty-seven".