1052126661 has 32 divisors (see below), whose sum is σ = 1453916160. Its totient is φ = 676488384.

The previous prime is 1052126633. The next prime is 1052126681. The reversal of 1052126661 is 1666212501.

It is not a de Polignac number, because 1052126661 - 2⁹ = 1052126149 is a prime.

It is a super-2 number, since 2×1052126661² = 2213941021574017842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052126681) 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, 2746876 + ... + 2747258.

It is an arithmetic number, because the mean of its divisors is an integer number (45434880).

Almost surely, 2^1052126661 is an apocalyptic number.

It is an amenable number.

1052126661 is a deficient number, since it is larger than the sum of its proper divisors (401789499).

1052126661 is a wasteful number, since it uses less digits than its factorization.

1052126661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1052126661 is about 32436.5019846469. The cubic root of 1052126661 is about 1017.0820942172.

The spelling of 1052126661 in words is "one billion, fifty-two million, one hundred twenty-six thousand, six hundred sixty-one".