1226140725498 has 48 divisors (see below), whose sum is σ = 2760733405920. Its totient is φ = 360870836832.

The previous prime is 1226140725497. The next prime is 1226140725547. The reversal of 1226140725498 is 8945270416221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226140725498.

It is not an unprimeable number, because it can be changed into a prime (1226140725497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14816728 + ... + 14899251.

It is an arithmetic number, because the mean of its divisors is an integer number (57515279290).

Almost surely, 2^{1226140725498} is an apocalyptic number.

1226140725498 is an abundant number, since it is smaller than the sum of its proper divisors (1534592680422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226140725498 is a wasteful number, since it uses less digits than its factorization.

1226140725498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29716043 (or 29716020 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 1226140725498 in words is "one trillion, two hundred twenty-six billion, one hundred forty million, seven hundred twenty-five thousand, four hundred ninety-eight".