1242359483 has 4 divisors (see below), whose sum is σ = 1271251608. Its totient is φ = 1213467360.

The previous prime is 1242359411. The next prime is 1242359533. The reversal of 1242359483 is 3849532421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3849532421 = 7 ⋅549933203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242359483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1242359483.

It is not an unprimeable number, because it can be changed into a prime (1242352483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14445998 + ... + 14446083.

It is an arithmetic number, because the mean of its divisors is an integer number (317812902).

Almost surely, 2^1242359483 is an apocalyptic number.

1242359483 is a deficient number, since it is larger than the sum of its proper divisors (28892125).

1242359483 is an equidigital number, since it uses as much as digits as its factorization.

1242359483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28892124.

The product of its digits is 207360, while the sum is 41.

The square root of 1242359483 is about 35247.1202086071. The cubic root of 1242359483 is about 1075.0180586114.

The spelling of 1242359483 in words is "one billion, two hundred forty-two million, three hundred fifty-nine thousand, four hundred eighty-three".