1098274148 has 6 divisors (see below), whose sum is σ = 1921979766. Its totient is φ = 549137072.

The previous prime is 1098274147. The next prime is 1098274183. The reversal of 1098274148 is 8414728901.

It can be written as a sum of positive squares in only one way, i.e., 1027074304 + 71199844 = 32048^2 + 8438^2 .

It is a super-2 number, since 2×1098274148² = 2412412208330251808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1098274099 and 1098274108.

It is not an unprimeable number, because it can be changed into a prime (1098274141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137284265 + ... + 137284272.

It is an arithmetic number, because the mean of its divisors is an integer number (320329961).

Almost surely, 2^1098274148 is an apocalyptic number.

It is an amenable number.

1098274148 is a deficient number, since it is larger than the sum of its proper divisors (823705618).

1098274148 is a wasteful number, since it uses less digits than its factorization.

1098274148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274568541 (or 274568539 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1098274148 is about 33140.2194923329. The cubic root of 1098274148 is about 1031.7399653818.

The spelling of 1098274148 in words is "one billion, ninety-eight million, two hundred seventy-four thousand, one hundred forty-eight".