1013551200 has 432 divisors, whose sum is σ = 3899750400. Its totient is φ = 246758400.

The previous prime is 1013551103. The next prime is 1013551211. The reversal of 1013551200 is 21553101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4240681 + ... + 4240919.

It is an arithmetic number, because the mean of its divisors is an integer number (9027200).

Almost surely, 2^1013551200 is an apocalyptic number.

1013551200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013551200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949875200).

1013551200 is an abundant number, since it is smaller than the sum of its proper divisors (2886199200).

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

1013551200 is a wasteful number, since it uses less digits than its factorization.

1013551200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1013551200 is about 31836.3188826849. The cubic root of 1013551200 is about 1004.4968150109.

The spelling of 1013551200 in words is "one billion, thirteen million, five hundred fifty-one thousand, two hundred".