126620477 has 4 divisors (see below), whose sum is σ = 128403936. Its totient is φ = 124837020.

The previous prime is 126620453. The next prime is 126620479. The reversal of 126620477 is 774026621.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126620477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126620479) 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, 891623 + ... + 891764.

It is an arithmetic number, because the mean of its divisors is an integer number (32100984).

Almost surely, 2^126620477 is an apocalyptic number.

It is an amenable number.

126620477 is a deficient number, since it is larger than the sum of its proper divisors (1783459).

126620477 is an equidigital number, since it uses as much as digits as its factorization.

126620477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783458.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 126620477 is about 11252.5764605267. The cubic root of 126620477 is about 502.1513659725.

The spelling of 126620477 in words is "one hundred twenty-six million, six hundred twenty thousand, four hundred seventy-seven".