1298484261 has 12 divisors (see below), whose sum is σ = 1876903392. Its totient is φ = 865049256.

The previous prime is 1298484233. The next prime is 1298484283. The reversal of 1298484261 is 1624848921.

It is not a de Polignac number, because 1298484261 - 2⁷ = 1298484133 is a prime.

It is a super-2 number, since 2×1298484261² = 3372122752129432242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298484221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36831 + ... + 62876.

It is an arithmetic number, because the mean of its divisors is an integer number (156408616).

Almost surely, 2^1298484261 is an apocalyptic number.

It is an amenable number.

1298484261 is a deficient number, since it is larger than the sum of its proper divisors (578419131).

1298484261 is a wasteful number, since it uses less digits than its factorization.

1298484261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101160 (or 101157 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1298484261 is about 36034.4871061043. The cubic root of 1298484261 is about 1090.9685471364.

The spelling of 1298484261 in words is "one billion, two hundred ninety-eight million, four hundred eighty-four thousand, two hundred sixty-one".