1252378802 has 16 divisors (see below), whose sum is σ = 1906668312. Its totient is φ = 616844160.

The previous prime is 1252378801. The next prime is 1252378811. The reversal of 1252378802 is 2088732521.

It can be written as a sum of positive squares in 4 ways, for example, as 1200553201 + 51825601 = 34649^2 + 7199^2 .

It is not an unprimeable number, because it can be changed into a prime (1252378801) 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, 123152 + ... + 132932.

Almost surely, 2^1252378802 is an apocalyptic number.

1252378802 is a deficient number, since it is larger than the sum of its proper divisors (654289510).

1252378802 is an equidigital number, since it uses as much as digits as its factorization.

1252378802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1252378802 is about 35388.9644098270. The cubic root of 1252378802 is about 1077.9002418119.

The spelling of 1252378802 in words is "one billion, two hundred fifty-two million, three hundred seventy-eight thousand, eight hundred two".