1232986990 has 32 divisors (see below), whose sum is σ = 2332592640. Its totient is φ = 468345504.

The previous prime is 1232986987. The next prime is 1232987003. The reversal of 1232986990 is 996892321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12687 + ... + 51253.

It is an arithmetic number, because the mean of its divisors is an integer number (72893520).

Almost surely, 2^1232986990 is an apocalyptic number.

1232986990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232986990 is a deficient number, since it is larger than the sum of its proper divisors (1099605650).

1232986990 is a wasteful number, since it uses less digits than its factorization.

1232986990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38736.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1232986990 is about 35113.9144784514. The cubic root of 1232986990 is about 1072.3078813962.

The spelling of 1232986990 in words is "one billion, two hundred thirty-two million, nine hundred eighty-six thousand, nine hundred ninety".