1052921701 has 4 divisors (see below), whose sum is σ = 1133915692. Its totient is φ = 971927712.

The previous prime is 1052921677. The next prime is 1052921719. The reversal of 1052921701 is 1071292501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1071292501 = 197 ⋅5438033.

It can be written as a sum of positive squares in 2 ways, for example, as 128822500 + 924099201 = 11350^2 + 30399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052921701 - 2⁹ = 1052921189 is a prime.

It is a super-2 number, since 2×1052921701² = 2217288216873466802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052921701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052921101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40496976 + ... + 40497001.

It is an arithmetic number, because the mean of its divisors is an integer number (283478923).

Almost surely, 2^1052921701 is an apocalyptic number.

It is an amenable number.

1052921701 is a deficient number, since it is larger than the sum of its proper divisors (80993991).

1052921701 is an equidigital number, since it uses as much as digits as its factorization.

1052921701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80993990.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1052921701 is about 32448.7549992292. The cubic root of 1052921701 is about 1017.3382159008.

The spelling of 1052921701 in words is "one billion, fifty-two million, nine hundred twenty-one thousand, seven hundred one".