1252941189 has 8 divisors (see below), whose sum is σ = 1694117952. Its totient is φ = 823529280.

The previous prime is 1252941161. The next prime is 1252941223. The reversal of 1252941189 is 9811492521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252941189 - 2²⁸ = 984505733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252941189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252941119) 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, 2940964 + ... + 2941389.

It is an arithmetic number, because the mean of its divisors is an integer number (211764744).

Almost surely, 2^1252941189 is an apocalyptic number.

It is an amenable number.

1252941189 is a deficient number, since it is larger than the sum of its proper divisors (441176763).

1252941189 is an equidigital number, since it uses as much as digits as its factorization.

1252941189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882427.

The product of its digits is 51840, while the sum is 42.

The square root of 1252941189 is about 35396.9093142325. The cubic root of 1252941189 is about 1078.0615631752.

The spelling of 1252941189 in words is "one billion, two hundred fifty-two million, nine hundred forty-one thousand, one hundred eighty-nine".