1016624121 has 4 divisors (see below), whose sum is σ = 1355498832. Its totient is φ = 677749412.

The previous prime is 1016624107. The next prime is 1016624129. The reversal of 1016624121 is 1214266101.

It is a happy number.

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 not a de Polignac number, because 1016624121 - 2⁹ = 1016623609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1016624091 and 1016624100.

It is not an unprimeable number, because it can be changed into a prime (1016624129) 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, 169437351 + ... + 169437356.

It is an arithmetic number, because the mean of its divisors is an integer number (338874708).

Almost surely, 2^1016624121 is an apocalyptic number.

It is an amenable number.

1016624121 is a deficient number, since it is larger than the sum of its proper divisors (338874711).

1016624121 is an equidigital number, since it uses as much as digits as its factorization.

1016624121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338874710.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1016624121 is about 31884.5436065815. The cubic root of 1016624121 is about 1005.5109473360.

The spelling of 1016624121 in words is "one billion, sixteen million, six hundred twenty-four thousand, one hundred twenty-one".