1252577095 has 32 divisors (see below), whose sum is σ = 1924655616. Its totient is φ = 759715200.

The previous prime is 1252577093. The next prime is 1252577159. The reversal of 1252577095 is 5907752521.

It is a happy number.

It is not a de Polignac number, because 1252577095 - 2¹ = 1252577093 is a prime.

It is a super-3 number, since 3×1252577095³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252577093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29721 + ... + 58210.

It is an arithmetic number, because the mean of its divisors is an integer number (60145488).

Almost surely, 2^1252577095 is an apocalyptic number.

1252577095 is a deficient number, since it is larger than the sum of its proper divisors (672078521).

1252577095 is a wasteful number, since it uses less digits than its factorization.

1252577095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87991.

The product of its (nonzero) digits is 220500, while the sum is 43.

The square root of 1252577095 is about 35391.7659209031. The cubic root of 1252577095 is about 1077.9571279001.

The spelling of 1252577095 in words is "one billion, two hundred fifty-two million, five hundred seventy-seven thousand, ninety-five".