1201431098 has 12 divisors (see below), whose sum is σ = 2096374842. Its totient is φ = 514899000.

The previous prime is 1201431079. The next prime is 1201431103. The reversal of 1201431098 is 8901341021.

It can be written as a sum of positive squares in only one way, i.e., 617870449 + 583560649 = 24857^2 + 24157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201431098.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6129653 + ... + 6129848.

Almost surely, 2^1201431098 is an apocalyptic number.

1201431098 is a deficient number, since it is larger than the sum of its proper divisors (894943744).

1201431098 is a wasteful number, since it uses less digits than its factorization.

1201431098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259517 (or 12259510 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1201431098 is about 34661.6661169079. Note that the first 3 decimals coincide. The cubic root of 1201431098 is about 1063.0808370733.

The spelling of 1201431098 in words is "one billion, two hundred one million, four hundred thirty-one thousand, ninety-eight".