124451401 has 4 divisors (see below), whose sum is σ = 125083332. Its totient is φ = 123819472.

The previous prime is 124451381. The next prime is 124451423. The reversal of 124451401 is 104154421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104154421 = 7 ⋅14879203.

It can be written as a sum of positive squares in 2 ways, for example, as 87909376 + 36542025 = 9376^2 + 6045^2 .

It is a cyclic number.

It is not a de Polignac number, because 124451401 - 2⁹ = 124450889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124452401) 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, 315670 + ... + 316063.

It is an arithmetic number, because the mean of its divisors is an integer number (31270833).

Almost surely, 2^124451401 is an apocalyptic number.

It is an amenable number.

124451401 is a deficient number, since it is larger than the sum of its proper divisors (631931).

124451401 is an equidigital number, since it uses as much as digits as its factorization.

124451401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631930.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 124451401 is about 11155.7788163803. The cubic root of 124451401 is about 499.2674619668.

The spelling of 124451401 in words is "one hundred twenty-four million, four hundred fifty-one thousand, four hundred one".