1053634620 has 48 divisors (see below), whose sum is σ = 2951625600. Its totient is φ = 280831296.

The previous prime is 1053634609. The next prime is 1053634627. The reversal of 1053634620 is 264363501.

It is a super-2 number, since 2×1053634620² = 2220291824925088800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053634627) 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, 195279 + ... + 200601.

It is an arithmetic number, because the mean of its divisors is an integer number (61492200).

Almost surely, 2^1053634620 is an apocalyptic number.

1053634620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053634620 is an abundant number, since it is smaller than the sum of its proper divisors (1897990980).

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

1053634620 is a wasteful number, since it uses less digits than its factorization.

1053634620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634 (or 8632 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1053634620 is about 32459.7384462660. The cubic root of 1053634620 is about 1017.5677727336.

The spelling of 1053634620 in words is "one billion, fifty-three million, six hundred thirty-four thousand, six hundred twenty".