1252341888761 has 4 divisors (see below), whose sum is σ = 1252344172800. Its totient is φ = 1252339604724.

The previous prime is 1252341888689. The next prime is 1252341888767. The reversal of 1252341888761 is 1678881432521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1252341888761 - 2¹⁰ = 1252341887737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1252341888697 and 1252341888706.

It is not an unprimeable number, because it can be changed into a prime (1252341888767) 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, 229400 + ... + 1599158.

It is an arithmetic number, because the mean of its divisors is an integer number (313086043200).

Almost surely, 2^{1252341888761} is an apocalyptic number.

It is an amenable number.

1252341888761 is a deficient number, since it is larger than the sum of its proper divisors (2284039).

1252341888761 is an equidigital number, since it uses as much as digits as its factorization.

1252341888761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284038.

The product of its digits is 5160960, while the sum is 56.

The spelling of 1252341888761 in words is "one trillion, two hundred fifty-two billion, three hundred forty-one million, eight hundred eighty-eight thousand, seven hundred sixty-one".