1252146466 has 16 divisors (see below), whose sum is σ = 1903708800. Its totient is φ = 617599728.

The previous prime is 1252146463. The next prime is 1252146479. The reversal of 1252146466 is 6646412521.

It is not an unprimeable number, because it can be changed into a prime (1252146463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112375 + ... + 123013.

It is an arithmetic number, because the mean of its divisors is an integer number (118981800).

Almost surely, 2^1252146466 is an apocalyptic number.

1252146466 is a deficient number, since it is larger than the sum of its proper divisors (651562334).

1252146466 is a wasteful number, since it uses less digits than its factorization.

1252146466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433.

The product of its digits is 69120, while the sum is 37.

The square root of 1252146466 is about 35385.6816523294. The cubic root of 1252146466 is about 1077.8335818636.

Adding to 1252146466 its reverse (6646412521), we get a palindrome (7898558987).

The spelling of 1252146466 in words is "one billion, two hundred fifty-two million, one hundred forty-six thousand, four hundred sixty-six".