1202386540 has 48 divisors (see below), whose sum is σ = 2677413312. Its totient is φ = 452007936.

The previous prime is 1202386501. The next prime is 1202386543. The reversal of 1202386540 is 456832021.

It is not an unprimeable number, because it can be changed into a prime (1202386543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277672 + ... + 281968.

It is an arithmetic number, because the mean of its divisors is an integer number (55779444).

Almost surely, 2^1202386540 is an apocalyptic number.

1202386540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202386540 is an abundant number, since it is smaller than the sum of its proper divisors (1475026772).

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

1202386540 is a wasteful number, since it uses less digits than its factorization.

1202386540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146 (or 5144 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1202386540 is about 34675.4457793984. The cubic root of 1202386540 is about 1063.3625685717.

The spelling of 1202386540 in words is "one billion, two hundred two million, three hundred eighty-six thousand, five hundred forty".