1240104002 has 4 divisors (see below), whose sum is σ = 1860156006. Its totient is φ = 620052000.

The previous prime is 1240103933. The next prime is 1240104029. The reversal of 1240104002 is 2004010421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2004010421 = 7 ⋅286287203.

It can be written as a sum of positive squares in only one way, i.e., 1206103441 + 34000561 = 34729^2 + 5831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310025999 + ... + 310026002.

Almost surely, 2^1240104002 is an apocalyptic number.

1240104002 is a deficient number, since it is larger than the sum of its proper divisors (620052004).

1240104002 is an equidigital number, since it uses as much as digits as its factorization.

1240104002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620052003.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1240104002 is about 35215.1104215222. The cubic root of 1240104002 is about 1074.3671059568.

Adding to 1240104002 its reverse (2004010421), we get a palindrome (3244114423).

The spelling of 1240104002 in words is "one billion, two hundred forty million, one hundred four thousand, two".