1202041040 has 20 divisors (see below), whose sum is σ = 2794745604. Its totient is φ = 480816384.

The previous prime is 1202041033. The next prime is 1202041067. The reversal of 1202041040 is 401402021.

It can be written as a sum of positive squares in 2 ways, for example, as 891858496 + 310182544 = 29864^2 + 17612^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7512677 + ... + 7512836.

Almost surely, 2^1202041040 is an apocalyptic number.

1202041040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202041040 is an abundant number, since it is smaller than the sum of its proper divisors (1592704564).

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

1202041040 is a wasteful number, since it uses less digits than its factorization.

1202041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025526 (or 15025520 counting only the distinct ones).

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

The square root of 1202041040 is about 34670.4635100254. The cubic root of 1202041040 is about 1063.2607081050.

Adding to 1202041040 its reverse (401402021), we get a palindrome (1603443061).

The spelling of 1202041040 in words is "one billion, two hundred two million, forty-one thousand, forty".