1240203002 has 4 divisors (see below), whose sum is σ = 1860304506. Its totient is φ = 620101500.

The previous prime is 1240202939. The next prime is 1240203043. The reversal of 1240203002 is 2003020421.

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

It can be written as a sum of positive squares in only one way, i.e., 838160401 + 402042601 = 28951^2 + 20051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310050749 + ... + 310050752.

Almost surely, 2^1240203002 is an apocalyptic number.

1240203002 is a deficient number, since it is larger than the sum of its proper divisors (620101504).

1240203002 is an equidigital number, since it uses as much as digits as its factorization.

1240203002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620101503.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1240203002 is about 35216.5160400628. The cubic root of 1240203002 is about 1074.3956948260.

Adding to 1240203002 its reverse (2003020421), we get a palindrome (3243223423).

The spelling of 1240203002 in words is "one billion, two hundred forty million, two hundred three thousand, two".