421124627 has 16 divisors (see below), whose sum is σ = 530460672. Its totient is φ = 324760320.

The previous prime is 421124621. The next prime is 421124633. The reversal of 421124627 is 726421124.

It is an interprime number because it is at equal distance from previous prime (421124621) and next prime (421124633).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421124627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421124627.

It is not an unprimeable number, because it can be changed into a prime (421124621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20723 + ... + 35660.

It is an arithmetic number, because the mean of its divisors is an integer number (33153792).

Almost surely, 2^421124627 is an apocalyptic number.

421124627 is a deficient number, since it is larger than the sum of its proper divisors (109336045).

421124627 is a wasteful number, since it uses less digits than its factorization.

421124627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56498.

The product of its digits is 5376, while the sum is 29.

The square root of 421124627 is about 20521.3212781244. The cubic root of 421124627 is about 749.5550706212. Note that the first 3 decimals are identical.

The spelling of 421124627 in words is "four hundred twenty-one million, one hundred twenty-four thousand, six hundred twenty-seven".