1252123369 has 8 divisors (see below), whose sum is σ = 1437416960. Its totient is φ = 1068434496.

The previous prime is 1252123337. The next prime is 1252123373. The reversal of 1252123369 is 9633212521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252123369 - 2⁵ = 1252123337 is a prime.

It is a super-2 number, since 2×1252123369² = 3135625862391820322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252123319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399504 + ... + 402625.

It is an arithmetic number, because the mean of its divisors is an integer number (179677120).

Almost surely, 2^1252123369 is an apocalyptic number.

It is an amenable number.

1252123369 is a deficient number, since it is larger than the sum of its proper divisors (185293591).

1252123369 is an equidigital number, since it uses as much as digits as its factorization.

1252123369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802359.

The product of its digits is 19440, while the sum is 34.

The square root of 1252123369 is about 35385.3552900066. The cubic root of 1252123369 is about 1077.8269546103.

The spelling of 1252123369 in words is "one billion, two hundred fifty-two million, one hundred twenty-three thousand, three hundred sixty-nine".