1051551044 has 12 divisors (see below), whose sum is σ = 1846095804. Its totient is φ = 524095104.

The previous prime is 1051551037. The next prime is 1051551077. The reversal of 1051551044 is 4401551501.

It can be written as a sum of positive squares in 2 ways, for example, as 534534400 + 517016644 = 23120^2 + 22738^2 .

It is a super-2 number, since 2×1051551044² = 2211519196274979872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418697 + ... + 421200.

It is an arithmetic number, because the mean of its divisors is an integer number (153841317).

Almost surely, 2^1051551044 is an apocalyptic number.

It is an amenable number.

1051551044 is a deficient number, since it is larger than the sum of its proper divisors (794544760).

1051551044 is a wasteful number, since it uses less digits than its factorization.

1051551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840214 (or 840212 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1051551044 is about 32427.6277886619. The cubic root of 1051551044 is about 1016.8965789922.

The spelling of 1051551044 in words is "one billion, fifty-one million, five hundred fifty-one thousand, forty-four".