1202515140 has 24 divisors (see below), whose sum is σ = 3367042560. Its totient is φ = 320670688.

The previous prime is 1202515103. The next prime is 1202515201. The reversal of 1202515140 is 415152021.

1202515140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 10020900 + ... + 10021019.

It is an arithmetic number, because the mean of its divisors is an integer number (140293440).

Almost surely, 2^1202515140 is an apocalyptic number.

1202515140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202515140 is an abundant number, since it is smaller than the sum of its proper divisors (2164527420).

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

1202515140 is a wasteful number, since it uses less digits than its factorization.

1202515140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20041931 (or 20041929 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1202515140 is about 34677.3000679119. The cubic root of 1202515140 is about 1063.4004774989.

Adding to 1202515140 its reverse (415152021), we get a palindrome (1617667161).

The spelling of 1202515140 in words is "one billion, two hundred two million, five hundred fifteen thousand, one hundred forty".