1242320639498 has 16 divisors (see below), whose sum is σ = 1898788438656. Its totient is φ = 609392980560.

The previous prime is 1242320639467. The next prime is 1242320639501. The reversal of 1242320639498 is 8949360232421.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936083 + ... + 1833273.

It is an arithmetic number, because the mean of its divisors is an integer number (118674277416).

Almost surely, 2^{1242320639498} is an apocalyptic number.

1242320639498 is a deficient number, since it is larger than the sum of its proper divisors (656467799158).

1242320639498 is a wasteful number, since it uses less digits than its factorization.

1242320639498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910309.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 1242320639498 in words is "one trillion, two hundred forty-two billion, three hundred twenty million, six hundred thirty-nine thousand, four hundred ninety-eight".