1299018941 has 4 divisors (see below), whose sum is σ = 1417111584. Its totient is φ = 1180926300.

The previous prime is 1299018913. The next prime is 1299018997. The reversal of 1299018941 is 1498109921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1299018941 - 2²² = 1294824637 is a prime.

It is a super-2 number, since 2×1299018941² = 3374900418153522962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1299018892 and 1299018901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299018041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59046305 + ... + 59046326.

It is an arithmetic number, because the mean of its divisors is an integer number (354277896).

Almost surely, 2^1299018941 is an apocalyptic number.

1299018941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1299018941 is a deficient number, since it is larger than the sum of its proper divisors (118092643).

1299018941 is a wasteful number, since it uses less digits than its factorization.

1299018941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118092642.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 1299018941 is about 36041.9053464159. The cubic root of 1299018941 is about 1091.1182701721.

The spelling of 1299018941 in words is "one billion, two hundred ninety-nine million, eighteen thousand, nine hundred forty-one".