621264102 has 8 divisors (see below), whose sum is σ = 1242528216. Its totient is φ = 207088032.

The previous prime is 621264101. The next prime is 621264107. The reversal of 621264102 is 201462126.

It is a sphenic number, since it is the product of 3 distinct primes.

621264102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621264101) 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, 51772003 + ... + 51772014.

It is an arithmetic number, because the mean of its divisors is an integer number (155316027).

Almost surely, 2^621264102 is an apocalyptic number.

621264102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621264102 is a wasteful number, since it uses less digits than its factorization.

621264102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103544022.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 621264102 is about 24925.1700495704. The cubic root of 621264102 is about 853.2810222178.

The spelling of 621264102 in words is "six hundred twenty-one million, two hundred sixty-four thousand, one hundred two".