124400771 has 16 divisors (see below), whose sum is σ = 146722560. Its totient is φ = 104237280.

The previous prime is 124400753. The next prime is 124400789. The reversal of 124400771 is 177004421.

It is an interprime number because it is at equal distance from previous prime (124400753) and next prime (124400789).

It is a cyclic number.

It is not a de Polignac number, because 124400771 - 2⁶ = 124400707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124400771.

It is not an unprimeable number, because it can be changed into a prime (124400711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311 + ... + 15776.

It is an arithmetic number, because the mean of its divisors is an integer number (9170160).

Almost surely, 2^124400771 is an apocalyptic number.

124400771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124400771 is a deficient number, since it is larger than the sum of its proper divisors (22321789).

124400771 is a wasteful number, since it uses less digits than its factorization.

124400771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 124400771 is about 11153.5093580451. The cubic root of 124400771 is about 499.1997478764.

The spelling of 124400771 in words is "one hundred twenty-four million, four hundred thousand, seven hundred seventy-one".