1098925012 has 12 divisors (see below), whose sum is σ = 1975095220. Its totient is φ = 534612096.

The previous prime is 1098924979. The next prime is 1098925013. The reversal of 1098925012 is 2105298901.

It can be written as a sum of positive squares in 2 ways, for example, as 1024896196 + 74028816 = 32014^2 + 8604^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098925013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712437 + ... + 3712732.

Almost surely, 2^1098925012 is an apocalyptic number.

It is an amenable number.

1098925012 is a deficient number, since it is larger than the sum of its proper divisors (876170208).

1098925012 is a wasteful number, since it uses less digits than its factorization.

1098925012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425210 (or 7425208 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1098925012 is about 33150.0378883645. The cubic root of 1098925012 is about 1031.9437365416.

The spelling of 1098925012 in words is "one billion, ninety-eight million, nine hundred twenty-five thousand, twelve".