1228701976 has 16 divisors (see below), whose sum is σ = 2307031200. Its totient is φ = 613493664.

The previous prime is 1228701961. The next prime is 1228701983. The reversal of 1228701976 is 6791078221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101055 + ... + 112558.

It is an arithmetic number, because the mean of its divisors is an integer number (144189450).

Almost surely, 2^1228701976 is an apocalyptic number.

It is an amenable number.

1228701976 is a deficient number, since it is larger than the sum of its proper divisors (1078329224).

1228701976 is a wasteful number, since it uses less digits than its factorization.

1228701976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214338 (or 214334 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1228701976 is about 35052.8454765088. The cubic root of 1228701976 is about 1071.0642382563.

The spelling of 1228701976 in words is "one billion, two hundred twenty-eight million, seven hundred one thousand, nine hundred seventy-six".