1252605055 has 8 divisors (see below), whose sum is σ = 1618751232. Its totient is φ = 925000608.

The previous prime is 1252605031. The next prime is 1252605071. The reversal of 1252605055 is 5505062521.

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 1252605055 - 2¹⁵ = 1252572287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9635359 + ... + 9635488.

It is an arithmetic number, because the mean of its divisors is an integer number (202343904).

Almost surely, 2^1252605055 is an apocalyptic number.

1252605055 is a deficient number, since it is larger than the sum of its proper divisors (366146177).

1252605055 is a wasteful number, since it uses less digits than its factorization.

1252605055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270865.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1252605055 is about 35392.1609258321. The cubic root of 1252605055 is about 1077.9651485526.

Adding to 1252605055 its reverse (5505062521), we get a palindrome (6757667576).

The spelling of 1252605055 in words is "one billion, two hundred fifty-two million, six hundred five thousand, fifty-five".