1134620661 has 32 divisors (see below), whose sum is σ = 1585723392. Its totient is φ = 720982080.

The previous prime is 1134620657. The next prime is 1134620687. The reversal of 1134620661 is 1660264311.

It is not a de Polignac number, because 1134620661 - 2² = 1134620657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134620611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1797816 + ... + 1798446.

It is an arithmetic number, because the mean of its divisors is an integer number (49553856).

Almost surely, 2^1134620661 is an apocalyptic number.

It is an amenable number.

1134620661 is a deficient number, since it is larger than the sum of its proper divisors (451102731).

1134620661 is a wasteful number, since it uses less digits than its factorization.

1134620661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1134620661 is about 33684.1306997821. The cubic root of 1134620661 is about 1042.9982086944.

Adding to 1134620661 its reverse (1660264311), we get a palindrome (2794884972).

The spelling of 1134620661 in words is "one billion, one hundred thirty-four million, six hundred twenty thousand, six hundred sixty-one".