1252421151459 has 8 divisors (see below), whose sum is σ = 1669905144000. Its totient is φ = 834942296616.

The previous prime is 1252421151431. The next prime is 1252421151467. The reversal of 1252421151459 is 9541511242521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252421151459 - 2³⁶ = 1183701674723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252421151459.

It is not an unprimeable number, because it can be changed into a prime (1252421151409) 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, 674209 + ... + 1720290.

It is an arithmetic number, because the mean of its divisors is an integer number (208738143000).

Almost surely, 2^{1252421151459} is an apocalyptic number.

1252421151459 is a deficient number, since it is larger than the sum of its proper divisors (417483992541).

1252421151459 is a wasteful number, since it uses less digits than its factorization.

1252421151459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568849.

The product of its digits is 144000, while the sum is 42.

The spelling of 1252421151459 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-one million, one hundred fifty-one thousand, four hundred fifty-nine".