1252619153 has 4 divisors (see below), whose sum is σ = 1264780608. Its totient is φ = 1240457700.

The previous prime is 1252619149. The next prime is 1252619189. The reversal of 1252619153 is 3519162521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3519162521 = 7 ⋅502737503.

It is a cyclic number.

It is not a de Polignac number, because 1252619153 - 2² = 1252619149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252619113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6080573 + ... + 6080778.

It is an arithmetic number, because the mean of its divisors is an integer number (316195152).

Almost surely, 2^1252619153 is an apocalyptic number.

It is an amenable number.

1252619153 is a deficient number, since it is larger than the sum of its proper divisors (12161455).

1252619153 is a wasteful number, since it uses less digits than its factorization.

1252619153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12161454.

The product of its digits is 16200, while the sum is 35.

The square root of 1252619153 is about 35392.3600936699. The cubic root of 1252619153 is about 1077.9691926833.

The spelling of 1252619153 in words is "one billion, two hundred fifty-two million, six hundred nineteen thousand, one hundred fifty-three".