1252455105245 has 8 divisors (see below), whose sum is σ = 1502990345184. Its totient is φ = 1001934604944.

The previous prime is 1252455105241. The next prime is 1252455105263. The reversal of 1252455105245 is 5425015542521.

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 1252455105245 - 2² = 1252455105241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252455105241) 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, 3497099 + ... + 3838568.

It is an arithmetic number, because the mean of its divisors is an integer number (187873793148).

Almost surely, 2^{1252455105245} is an apocalyptic number.

It is an amenable number.

1252455105245 is a deficient number, since it is larger than the sum of its proper divisors (250535239939).

1252455105245 is an equidigital number, since it uses as much as digits as its factorization.

1252455105245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369819.

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 1252455105245 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-five million, one hundred five thousand, two hundred forty-five".