1321425035492 has 6 divisors (see below), whose sum is σ = 2312493812118. Its totient is φ = 660712517744.

The previous prime is 1321425035477. The next prime is 1321425035521. The reversal of 1321425035492 is 2945305241231.

It can be written as a sum of positive squares in only one way, i.e., 919347298276 + 402077737216 = 958826^2 + 634096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165178129433 + ... + 165178129440.

It is an arithmetic number, because the mean of its divisors is an integer number (385415635353).

Almost surely, 2^{1321425035492} is an apocalyptic number.

It is an amenable number.

1321425035492 is a deficient number, since it is larger than the sum of its proper divisors (991068776626).

1321425035492 is a wasteful number, since it uses less digits than its factorization.

1321425035492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330356258877 (or 330356258875 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1321425035492 in words is "one trillion, three hundred twenty-one billion, four hundred twenty-five million, thirty-five thousand, four hundred ninety-two".