1049787900 has 216 divisors, whose sum is σ = 3780320544. Its totient is φ = 238694400.

The previous prime is 1049787889. The next prime is 1049787917. The reversal of 1049787900 is 97879401.

It is a super-2 number, since 2×1049787900² = 2204109269972820000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1770004 + ... + 1770596.

It is an arithmetic number, because the mean of its divisors is an integer number (17501484).

Almost surely, 2^1049787900 is an apocalyptic number.

1049787900 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 1049787900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890160272).

1049787900 is an abundant number, since it is smaller than the sum of its proper divisors (2730532644).

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

1049787900 is a wasteful number, since it uses less digits than its factorization.

1049787900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 1049787900 is about 32400.4305526948. The cubic root of 1049787900 is about 1016.3279148515.

The spelling of 1049787900 in words is "one billion, forty-nine million, seven hundred eighty-seven thousand, nine hundred".