1298088841 has 9 divisors (see below), whose sum is σ = 1510315149. Its totient is φ = 1112431404.

The previous prime is 1298088833. The next prime is 1298088893. The reversal of 1298088841 is 1488808921.

The square root of 1298088841 is 36029.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1298088841 - 2³ = 1298088833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (1298088041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 249630 + ... + 254776.

Almost surely, 2^1298088841 is an apocalyptic number.

1298088841 is the 36029-th square number.

1298088841 is the 18015-th centered octagonal number.

It is an amenable number.

1298088841 is a deficient number, since it is larger than the sum of its proper divisors (212226308).

1298088841 is an frugal number, since it uses more digits than its factorization.

1298088841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308 (or 5154 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The cubic root of 1298088841 is about 1090.8577937519.

Multiplying 1298088841 by its sum of digits (49), we get a square (63606353209 = 252203²).

1298088841 divided by its sum of digits (49) gives a square (26491609 = 5147²).

The spelling of 1298088841 in words is "one billion, two hundred ninety-eight million, eighty-eight thousand, eight hundred forty-one".