1240203130 has 16 divisors (see below), whose sum is σ = 2234161440. Its totient is φ = 495682192.

The previous prime is 1240203109. The next prime is 1240203161. The reversal of 1240203130 is 313020421.

It is a happy 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, 36664 + ... + 61843.

It is an arithmetic number, because the mean of its divisors is an integer number (139635090).

Almost surely, 2^1240203130 is an apocalyptic number.

1240203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240203130 is a deficient number, since it is larger than the sum of its proper divisors (993958310).

1240203130 is a wasteful number, since it uses less digits than its factorization.

1240203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99773.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1240203130 is about 35216.5178573919. The cubic root of 1240203130 is about 1074.3957317884.

Adding to 1240203130 its reverse (313020421), we get a palindrome (1553223551).

The spelling of 1240203130 in words is "one billion, two hundred forty million, two hundred three thousand, one hundred thirty".