1502023851242 has 4 divisors (see below), whose sum is σ = 2253035776866. Its totient is φ = 751011925620.

The previous prime is 1502023851227. The next prime is 1502023851257. The reversal of 1502023851242 is 2421583202051.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1502023851227) and next prime (1502023851257).

It can be written as a sum of positive squares in only one way, i.e., 1495633607521 + 6390243721 = 1222961^2 + 79939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375505962809 + ... + 375505962812.

Almost surely, 2^{1502023851242} is an apocalyptic number.

1502023851242 is a deficient number, since it is larger than the sum of its proper divisors (751011925624).

1502023851242 is an equidigital number, since it uses as much as digits as its factorization.

1502023851242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751011925623.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 1502023851242 in words is "one trillion, five hundred two billion, twenty-three million, eight hundred fifty-one thousand, two hundred forty-two".