1971411026 has 24 divisors (see below), whose sum is σ = 3205424340. Its totient is φ = 908933376.

The previous prime is 1971411019. The next prime is 1971411031. The reversal of 1971411026 is 6201141791.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 460145401 + 1511265625 = 21451^2 + 38875^2 .

It is a super-2 number, since 2×1971411026² = 7772922866868745352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1971410983 and 1971411001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400790 + ... + 405678.

Almost surely, 2^1971411026 is an apocalyptic number.

1971411026 is a deficient number, since it is larger than the sum of its proper divisors (1234013314).

1971411026 is a wasteful number, since it uses less digits than its factorization.

1971411026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6097 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1971411026 is about 44400.5746133989. The cubic root of 1971411026 is about 1253.8889074520. Note that the first 3 decimals are identical.

The spelling of 1971411026 in words is "one billion, nine hundred seventy-one million, four hundred eleven thousand, twenty-six".