1287104164 has 12 divisors (see below), whose sum is σ = 2253888000. Its totient is φ = 643136168.

The previous prime is 1287104149. The next prime is 1287104179. The reversal of 1287104164 is 4614017821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1287104149) and next prime (1287104179).

It is a super-2 number, since 2×1287104164² = 3313274257972277792, 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, 96964 + ... + 109435.

It is an arithmetic number, because the mean of its divisors is an integer number (187824000).

Almost surely, 2^1287104164 is an apocalyptic number.

It is an amenable number.

1287104164 is a deficient number, since it is larger than the sum of its proper divisors (966783836).

1287104164 is a wasteful number, since it uses less digits than its factorization.

1287104164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207962 (or 207960 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1287104164 is about 35876.2339718092. The cubic root of 1287104164 is about 1087.7720572526.

The spelling of 1287104164 in words is "one billion, two hundred eighty-seven million, one hundred four thousand, one hundred sixty-four".