1140651242 has 16 divisors (see below), whose sum is σ = 1756944000. Its totient is φ = 555070560.

The previous prime is 1140651241. The next prime is 1140651247. The reversal of 1140651242 is 2421560411.

It is a super-2 number, since 2×1140651242² = 2602170511752285128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140651241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17759 + ... + 50957.

It is an arithmetic number, because the mean of its divisors is an integer number (109809000).

Almost surely, 2^1140651242 is an apocalyptic number.

1140651242 is a deficient number, since it is larger than the sum of its proper divisors (616292758).

1140651242 is a wasteful number, since it uses less digits than its factorization.

1140651242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33661.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1140651242 is about 33773.5287170293. The cubic root of 1140651242 is about 1044.8428117622.

The spelling of 1140651242 in words is "one billion, one hundred forty million, six hundred fifty-one thousand, two hundred forty-two".