1252605167 has 8 divisors (see below), whose sum is σ = 1368789840. Its totient is φ = 1136805760.

The previous prime is 1252605163. The next prime is 1252605173. The reversal of 1252605167 is 7615062521.

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 1252605167 - 2² = 1252605163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252605163) 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, 89492 + ... + 102537.

It is an arithmetic number, because the mean of its divisors is an integer number (171098730).

Almost surely, 2^1252605167 is an apocalyptic number.

1252605167 is a deficient number, since it is larger than the sum of its proper divisors (116184673).

1252605167 is a wasteful number, since it uses less digits than its factorization.

1252605167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192633.

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

The square root of 1252605167 is about 35392.1625081034. The cubic root of 1252605167 is about 1077.9651806809.

Adding to 1252605167 its reverse (7615062521), we get a palindrome (8867667688).

The spelling of 1252605167 in words is "one billion, two hundred fifty-two million, six hundred five thousand, one hundred sixty-seven".