1201003140 has 48 divisors (see below), whose sum is σ = 3413011392. Its totient is φ = 315486336.

The previous prime is 1201003087. The next prime is 1201003151. The reversal of 1201003140 is 413001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145359 + ... + 153398.

It is an arithmetic number, because the mean of its divisors is an integer number (71104404).

Almost surely, 2^1201003140 is an apocalyptic number.

1201003140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201003140 is an abundant number, since it is smaller than the sum of its proper divisors (2212008252).

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

1201003140 is a wasteful number, since it uses less digits than its factorization.

1201003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298836 (or 298834 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1201003140 is about 34655.4922054211. The cubic root of 1201003140 is about 1062.9545965202.

Adding to 1201003140 its reverse (413001021), we get a palindrome (1614004161).

The spelling of 1201003140 in words is "one billion, two hundred one million, three thousand, one hundred forty".