1252418225987 has 8 divisors (see below), whose sum is σ = 1260744874752. Its totient is φ = 1244092005000.

The previous prime is 1252418225969. The next prime is 1252418226019. The reversal of 1252418225987 is 7895228142521.

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 1252418225987 - 2⁸ = 1252418225731 is a prime.

It is a super-3 number, since 3×1252418225987³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252418225687) 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, 7612208 + ... + 7774994.

It is an arithmetic number, because the mean of its divisors is an integer number (157593109344).

Almost surely, 2^{1252418225987} is an apocalyptic number.

1252418225987 is a deficient number, since it is larger than the sum of its proper divisors (8326648765).

1252418225987 is a wasteful number, since it uses less digits than its factorization.

1252418225987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213889.

The product of its digits is 6451200, while the sum is 56.

The spelling of 1252418225987 in words is "one trillion, two hundred fifty-two billion, four hundred eighteen million, two hundred twenty-five thousand, nine hundred eighty-seven".