1214878264 has 16 divisors (see below), whose sum is σ = 2309101920. Its totient is φ = 599117760.

The previous prime is 1214878261. The next prime is 1214878277. The reversal of 1214878264 is 4628784121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214878264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214878261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039552 + ... + 1040719.

It is an arithmetic number, because the mean of its divisors is an integer number (144318870).

Almost surely, 2^1214878264 is an apocalyptic number.

It is an amenable number.

1214878264 is a deficient number, since it is larger than the sum of its proper divisors (1094223656).

1214878264 is a wasteful number, since it uses less digits than its factorization.

1214878264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080350 (or 2080346 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 1214878264 is about 34855.1038443439. The cubic root of 1214878264 is about 1067.0323521350.

The spelling of 1214878264 in words is "one billion, two hundred fourteen million, eight hundred seventy-eight thousand, two hundred sixty-four".