1252089375 has 20 divisors (see below), whose sum is σ = 2086150968. Its totient is φ = 667780000.

The previous prime is 1252089373. The next prime is 1252089409. The reversal of 1252089375 is 5739802521.

It is a happy number.

It is not a de Polignac number, because 1252089375 - 2¹ = 1252089373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252089373) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 332016 + ... + 335765.

Almost surely, 2^1252089375 is an apocalyptic number.

1252089375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252089375 is a deficient number, since it is larger than the sum of its proper divisors (834061593).

1252089375 is an frugal number, since it uses more digits than its factorization.

1252089375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667804 (or 667789 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1252089375 is about 35384.8749467905. The cubic root of 1252089375 is about 1077.8172005179.

The spelling of 1252089375 in words is "one billion, two hundred fifty-two million, eighty-nine thousand, three hundred seventy-five".