1070904987 has 12 divisors (see below), whose sum is σ = 1637854920. Its totient is φ = 671940288.

The previous prime is 1070904983. The next prime is 1070904997. The reversal of 1070904987 is 7894090701.

1070904987 is a `hidden beast` number, since 1 + 0 + 70 + 90 + 498 + 7 = 666.

It is not a de Polignac number, because 1070904987 - 2² = 1070904983 is a prime.

It is a super-2 number, since 2×1070904987² = 2293674982362940338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1070904983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3499537 + ... + 3499842.

It is an arithmetic number, because the mean of its divisors is an integer number (136487910).

Almost surely, 2^1070904987 is an apocalyptic number.

1070904987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1070904987 is a deficient number, since it is larger than the sum of its proper divisors (566949933).

1070904987 is a wasteful number, since it uses less digits than its factorization.

1070904987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999402 (or 6999399 counting only the distinct ones).

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

The square root of 1070904987 is about 32724.6846738055. The cubic root of 1070904987 is about 1023.0973984429.

The spelling of 1070904987 in words is "one billion, seventy million, nine hundred four thousand, nine hundred eighty-seven".