1252761093 has 16 divisors (see below), whose sum is σ = 1965116160. Its totient is φ = 786045888.

The previous prime is 1252761091. The next prime is 1252761137. The reversal of 1252761093 is 3901672521.

1252761093 is a `hidden beast` number, since 12 + 5 + 27 + 610 + 9 + 3 = 666.

It is not a de Polignac number, because 1252761093 - 2¹ = 1252761091 is a prime.

It is a super-2 number, since 2×1252761093² = 3138820712269109298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252761091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364205 + ... + 1365122.

It is an arithmetic number, because the mean of its divisors is an integer number (122819760).

Almost surely, 2^1252761093 is an apocalyptic number.

It is an amenable number.

1252761093 is a deficient number, since it is larger than the sum of its proper divisors (712355067).

1252761093 is a wasteful number, since it uses less digits than its factorization.

1252761093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729353 (or 2729347 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1252761093 is about 35394.3652718904. The cubic root of 1252761093 is about 1078.0099076838.

The spelling of 1252761093 in words is "one billion, two hundred fifty-two million, seven hundred sixty-one thousand, ninety-three".