1252420350 has 48 divisors (see below), whose sum is σ = 3138059568. Its totient is φ = 330531840.

The previous prime is 1252420331. The next prime is 1252420373. The reversal of 1252420350 is 530242521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252420350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28489 + ... + 57588.

It is an arithmetic number, because the mean of its divisors is an integer number (65376241).

Almost surely, 2^1252420350 is an apocalyptic number.

1252420350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252420350 is an abundant number, since it is smaller than the sum of its proper divisors (1885639218).

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

1252420350 is a wasteful number, since it uses less digits than its factorization.

1252420350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86189 (or 86184 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1252420350 is about 35389.5514241139. The cubic root of 1252420350 is about 1077.9121615559.

Adding to 1252420350 its reverse (530242521), we get a palindrome (1782662871).

The spelling of 1252420350 in words is "one billion, two hundred fifty-two million, four hundred twenty thousand, three hundred fifty".