1140722655 has 32 divisors (see below), whose sum is σ = 1888831488. Its totient is φ = 587260800.

The previous prime is 1140722647. The next prime is 1140722669. The reversal of 1140722655 is 5562270411.

It is not a de Polignac number, because 1140722655 - 2³ = 1140722647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192852 + ... + 198678.

It is an arithmetic number, because the mean of its divisors is an integer number (59025984).

Almost surely, 2^1140722655 is an apocalyptic number.

1140722655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140722655 is a deficient number, since it is larger than the sum of its proper divisors (748108833).

1140722655 is a wasteful number, since it uses less digits than its factorization.

1140722655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1140722655 is about 33774.5859338053. The cubic root of 1140722655 is about 1044.8646162074.

The spelling of 1140722655 in words is "one billion, one hundred forty million, seven hundred twenty-two thousand, six hundred fifty-five".