1252022975 has 24 divisors (see below), whose sum is σ = 1807786080. Its totient is φ = 842325120.

The previous prime is 1252022957. The next prime is 1252022977. The reversal of 1252022975 is 5792202521.

It is not a de Polignac number, because 1252022975 - 2¹² = 1252018879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252022977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58220 + ... + 76769.

It is an arithmetic number, because the mean of its divisors is an integer number (75324420).

Almost surely, 2^1252022975 is an apocalyptic number.

1252022975 is a deficient number, since it is larger than the sum of its proper divisors (555763105).

1252022975 is a wasteful number, since it uses less digits than its factorization.

1252022975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135059 (or 135054 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1252022975 is about 35383.9366803639. The cubic root of 1252022975 is about 1077.7981474778.

The spelling of 1252022975 in words is "one billion, two hundred fifty-two million, twenty-two thousand, nine hundred seventy-five".