1248981402 has 16 divisors (see below), whose sum is σ = 2498776992. Its totient is φ = 416191440.

The previous prime is 1248981329. The next prime is 1248981403. The reversal of 1248981402 is 2041898421.

It is not an unprimeable number, because it can be changed into a prime (1248981403) 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, 12988 + ... + 51639.

It is an arithmetic number, because the mean of its divisors is an integer number (156173562).

Almost surely, 2^1248981402 is an apocalyptic number.

1248981402 is an abundant number, since it is smaller than the sum of its proper divisors (1249795590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1248981402 is a wasteful number, since it uses less digits than its factorization.

1248981402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67853.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 1248981402 is about 35340.9309724574. The cubic root of 1248981402 is about 1076.9246651198.

The spelling of 1248981402 in words is "one billion, two hundred forty-eight million, nine hundred eighty-one thousand, four hundred two".