1053695987 has 8 divisors (see below), whose sum is σ = 1100040480. Its totient is φ = 1007395840.

The previous prime is 1053695971. The next prime is 1053696029. The reversal of 1053695987 is 7895963501.

1053695987 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1053695987 - 2⁴ = 1053695971 is a prime.

It is a super-2 number, since 2×1053695987² = 2220550466039808338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053695957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43187 + ... + 63027.

It is an arithmetic number, because the mean of its divisors is an integer number (137505060).

Almost surely, 2^1053695987 is an apocalyptic number.

1053695987 is a deficient number, since it is larger than the sum of its proper divisors (46344493).

1053695987 is a wasteful number, since it uses less digits than its factorization.

1053695987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22173.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The square root of 1053695987 is about 32460.6837112221. The cubic root of 1053695987 is about 1017.5875278012.

The spelling of 1053695987 in words is "one billion, fifty-three million, six hundred ninety-five thousand, nine hundred eighty-seven".