1239225982 has 16 divisors (see below), whose sum is σ = 1972458432. Its totient is φ = 581898240.

The previous prime is 1239225971. The next prime is 1239225983. The reversal of 1239225982 is 2895229321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239225983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23619 + ... + 55102.

It is an arithmetic number, because the mean of its divisors is an integer number (123278652).

Almost surely, 2^1239225982 is an apocalyptic number.

1239225982 is a deficient number, since it is larger than the sum of its proper divisors (733232450).

1239225982 is a wasteful number, since it uses less digits than its factorization.

1239225982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79203.

The product of its digits is 155520, while the sum is 43.

The square root of 1239225982 is about 35202.6416906459. The cubic root of 1239225982 is about 1074.1134878405.

The spelling of 1239225982 in words is "one billion, two hundred thirty-nine million, two hundred twenty-five thousand, nine hundred eighty-two".