1126660621 has 8 divisors (see below), whose sum is σ = 1163994624. Its totient is φ = 1089388560.

The previous prime is 1126660583. The next prime is 1126660627. The reversal of 1126660621 is 1260666211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1126660621 - 2⁹ = 1126660109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126660627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23055 + ... + 52771.

It is an arithmetic number, because the mean of its divisors is an integer number (145499328).

Almost surely, 2^1126660621 is an apocalyptic number.

It is an amenable number.

1126660621 is a deficient number, since it is larger than the sum of its proper divisors (37334003).

1126660621 is a wasteful number, since it uses less digits than its factorization.

1126660621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30971.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1126660621 is about 33565.7656102166. The cubic root of 1126660621 is about 1040.5533978467.

The spelling of 1126660621 in words is "one billion, one hundred twenty-six million, six hundred sixty thousand, six hundred twenty-one".