1055986902 has 128 divisors (see below), whose sum is σ = 2617113600. Its totient is φ = 314088192.

The previous prime is 1055986901. The next prime is 1055986927. The reversal of 1055986902 is 2096895501.

1055986902 is a `hidden beast` number, since 1 + 0 + 559 + 8 + 6 + 90 + 2 = 666.

It is a super-2 number, since 2×1055986902² = 2230216674391115208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055986901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1722348 + ... + 1722960.

It is an arithmetic number, because the mean of its divisors is an integer number (20446200).

Almost surely, 2^1055986902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055986902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308556800).

1055986902 is an abundant number, since it is smaller than the sum of its proper divisors (1561126698).

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

1055986902 is a wasteful number, since it uses less digits than its factorization.

1055986902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 1055986902 is about 32495.9520863753. The cubic root of 1055986902 is about 1018.3244636654.

It can be divided in two parts, 10559 and 86902, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 1055986902 in words is "one billion, fifty-five million, nine hundred eighty-six thousand, nine hundred two".