1202045240 has 32 divisors (see below), whose sum is σ = 2950475760. Its totient is φ = 437107200.

The previous prime is 1202045189. The next prime is 1202045281. The reversal of 1202045240 is 425402021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365521 + ... + 1366400.

Almost surely, 2^1202045240 is an apocalyptic number.

1202045240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202045240 is an abundant number, since it is smaller than the sum of its proper divisors (1748430520).

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

1202045240 is a wasteful number, since it uses less digits than its factorization.

1202045240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731943 (or 2731939 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1202045240 is about 34670.5240802616. The cubic root of 1202045240 is about 1063.2619464681.

Adding to 1202045240 its reverse (425402021), we get a palindrome (1627447261).

The spelling of 1202045240 in words is "one billion, two hundred two million, forty-five thousand, two hundred forty".