126461963 has 4 divisors (see below), whose sum is σ = 133900920. Its totient is φ = 119023008.

The previous prime is 126461941. The next prime is 126461971. The reversal of 126461963 is 369164621.

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

It is a cyclic number.

It is not a de Polignac number, because 126461963 - 2⁸ = 126461707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126461263) 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, 3719453 + ... + 3719486.

It is an arithmetic number, because the mean of its divisors is an integer number (33475230).

Almost surely, 2^126461963 is an apocalyptic number.

126461963 is a deficient number, since it is larger than the sum of its proper divisors (7438957).

126461963 is an equidigital number, since it uses as much as digits as its factorization.

126461963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438956.

The product of its digits is 46656, while the sum is 38.

The square root of 126461963 is about 11245.5308011672. The cubic root of 126461963 is about 501.9417335801.

The spelling of 126461963 in words is "one hundred twenty-six million, four hundred sixty-one thousand, nine hundred sixty-three".