1252340113501 has 4 divisors (see below), whose sum is σ = 1252342379772. Its totient is φ = 1252337847232.

The previous prime is 1252340113433. The next prime is 1252340113529. The reversal of 1252340113501 is 1053110432521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1182710625625 + 69629487876 = 1087525^2 + 263874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252340113501 - 2¹⁹ = 1252339589213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252340113501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252340713501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299691 + ... + 1610743.

It is an arithmetic number, because the mean of its divisors is an integer number (313085594943).

Almost surely, 2^{1252340113501} is an apocalyptic number.

It is an amenable number.

1252340113501 is a deficient number, since it is larger than the sum of its proper divisors (2266271).

1252340113501 is an equidigital number, since it uses as much as digits as its factorization.

1252340113501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266270.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 1252340113501 in words is "one trillion, two hundred fifty-two billion, three hundred forty million, one hundred thirteen thousand, five hundred one".