1098912275 has 12 divisors (see below), whose sum is σ = 1363063800. Its totient is φ = 878863680.

The previous prime is 1098912251. The next prime is 1098912293. The reversal of 1098912275 is 5722198901.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1098912275 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148616 + ... + 155834.

It is an arithmetic number, because the mean of its divisors is an integer number (113588650).

Almost surely, 2^1098912275 is an apocalyptic number.

1098912275 is a deficient number, since it is larger than the sum of its proper divisors (264151525).

1098912275 is an equidigital number, since it uses as much as digits as its factorization.

1098912275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318 (or 13313 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1098912275 is about 33149.8457764135. The cubic root of 1098912275 is about 1031.9397496399.

The spelling of 1098912275 in words is "one billion, ninety-eight million, nine hundred twelve thousand, two hundred seventy-five".