1298612227 has 16 divisors (see below), whose sum is σ = 1463869440. Its totient is φ = 1141300800.

The previous prime is 1298612213. The next prime is 1298612267. The reversal of 1298612227 is 7222168921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298612227 is a prime.

It is a super-2 number, since 2×1298612227² = 3372787432227799058, 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 1298612227.

It is not an unprimeable number, because it can be changed into a prime (1298612267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620599 + ... + 622687.

It is an arithmetic number, because the mean of its divisors is an integer number (91491840).

Almost surely, 2^1298612227 is an apocalyptic number.

1298612227 is a deficient number, since it is larger than the sum of its proper divisors (165257213).

1298612227 is a wasteful number, since it uses less digits than its factorization.

1298612227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954.

The product of its digits is 48384, while the sum is 40.

The square root of 1298612227 is about 36036.2626669304. The cubic root of 1298612227 is about 1091.0043843812.

The spelling of 1298612227 in words is "one billion, two hundred ninety-eight million, six hundred twelve thousand, two hundred twenty-seven".