1225800134579 has 8 divisors (see below), whose sum is σ = 1263410056128. Its totient is φ = 1188426012480.

The previous prime is 1225800134557. The next prime is 1225800134597. The reversal of 1225800134579 is 9754310085221.

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 1225800134579 - 2⁸ = 1225800134323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225800134509) 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, 58939307 + ... + 58960100.

It is an arithmetic number, because the mean of its divisors is an integer number (157926257016).

Almost surely, 2^{1225800134579} is an apocalyptic number.

1225800134579 is a deficient number, since it is larger than the sum of its proper divisors (37609921549).

1225800134579 is a wasteful number, since it uses less digits than its factorization.

1225800134579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117899725.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 1225800134579 in words is "one trillion, two hundred twenty-five billion, eight hundred million, one hundred thirty-four thousand, five hundred seventy-nine".