1252540322 has 16 divisors (see below), whose sum is σ = 2054894400. Its totient is φ = 567869040.

The previous prime is 1252540321. The next prime is 1252540327. The reversal of 1252540322 is 2230452521.

It is a junction number, because it is equal to n+sod(n) for n = 1252540291 and 1252540300.

It is not an unprimeable number, because it can be changed into a prime (1252540321) 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, 64622 + ... + 81737.

It is an arithmetic number, because the mean of its divisors is an integer number (128430900).

Almost surely, 2^1252540322 is an apocalyptic number.

1252540322 is a deficient number, since it is larger than the sum of its proper divisors (802354078).

1252540322 is a wasteful number, since it uses less digits than its factorization.

1252540322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146761.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1252540322 is about 35391.2464035953. The cubic root of 1252540322 is about 1077.9465789538.

Adding to 1252540322 its reverse (2230452521), we get a palindrome (3482992843).

The spelling of 1252540322 in words is "one billion, two hundred fifty-two million, five hundred forty thousand, three hundred twenty-two".