1202104240 has 20 divisors (see below), whose sum is σ = 2794892544. Its totient is φ = 480841664.

The previous prime is 1202104229. The next prime is 1202104249. The reversal of 1202104240 is 424012021.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1202104249) 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, 7513072 + ... + 7513231.

Almost surely, 2^1202104240 is an apocalyptic number.

1202104240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202104240 is an abundant number, since it is smaller than the sum of its proper divisors (1592788304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202104240 is a wasteful number, since it uses less digits than its factorization.

1202104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15026316 (or 15026310 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1202104240 is about 34671.3749366823. The cubic root of 1202104240 is about 1063.2793422161.

Adding to 1202104240 its reverse (424012021), we get a palindrome (1626116261).

The spelling of 1202104240 in words is "one billion, two hundred two million, one hundred four thousand, two hundred forty".