1252355100123 has 8 divisors (see below), whose sum is σ = 1669940466768. Its totient is φ = 834836566784.

The previous prime is 1252355100109. The next prime is 1252355100133. The reversal of 1252355100123 is 3210015532521.

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 1252355100123 - 2²⁰ = 1252354051547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252355100133) 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, 16664586 + ... + 16739567.

It is an arithmetic number, because the mean of its divisors is an integer number (208742558346).

Almost surely, 2^{1252355100123} is an apocalyptic number.

1252355100123 is a deficient number, since it is larger than the sum of its proper divisors (417585366645).

1252355100123 is a wasteful number, since it uses less digits than its factorization.

1252355100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33416653.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 1252355100123 in words is "one trillion, two hundred fifty-two billion, three hundred fifty-five million, one hundred thousand, one hundred twenty-three".