1228877902 has 16 divisors (see below), whose sum is σ = 2198241792. Its totient is φ = 503763480.

The previous prime is 1228877843. The next prime is 1228877917. The reversal of 1228877902 is 2097788221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907874 + ... + 1908517.

It is an arithmetic number, because the mean of its divisors is an integer number (137390112).

Almost surely, 2^1228877902 is an apocalyptic number.

1228877902 is a deficient number, since it is larger than the sum of its proper divisors (969363890).

1228877902 is a wasteful number, since it uses less digits than its factorization.

1228877902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816423.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 1228877902 is about 35055.3548263315. The cubic root of 1228877902 is about 1071.1153542737.

The spelling of 1228877902 in words is "one billion, two hundred twenty-eight million, eight hundred seventy-seven thousand, nine hundred two".