1051902940 has 48 divisors (see below), whose sum is σ = 2424328704. Its totient is φ = 380206400.

The previous prime is 1051902919. The next prime is 1051902941. The reversal of 1051902940 is 492091501.

1051902940 = T₁₃₈₂₄ + T₁₃₈₂₅ + ... + T₁₃₈₃₄.

It is a super-2 number, since 2×1051902940² = 2212999590361287200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051902941) 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, 22425 + ... + 51055.

It is an arithmetic number, because the mean of its divisors is an integer number (50506848).

Almost surely, 2^1051902940 is an apocalyptic number.

1051902940 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 1051902940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212164352).

1051902940 is an abundant number, since it is smaller than the sum of its proper divisors (1372425764).

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

1051902940 is a wasteful number, since it uses less digits than its factorization.

1051902940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28818 (or 28816 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1051902940 is about 32433.0532019420. The cubic root of 1051902940 is about 1017.0099993635.

The spelling of 1051902940 in words is "one billion, fifty-one million, nine hundred two thousand, nine hundred forty".