1245916982 has 32 divisors (see below), whose sum is σ = 1994133600. Its totient is φ = 582156288.

The previous prime is 1245916981. The next prime is 1245917003. The reversal of 1245916982 is 2896195421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245916981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102994 + ... + 1104122.

It is an arithmetic number, because the mean of its divisors is an integer number (62316675).

Almost surely, 2^1245916982 is an apocalyptic number.

1245916982 is a deficient number, since it is larger than the sum of its proper divisors (748216618).

1245916982 is a wasteful number, since it uses less digits than its factorization.

1245916982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its digits is 311040, while the sum is 47.

The square root of 1245916982 is about 35297.5492350390. The cubic root of 1245916982 is about 1076.0431862408.

The spelling of 1245916982 in words is "one billion, two hundred forty-five million, nine hundred sixteen thousand, nine hundred eighty-two".