1198936497 has 32 divisors (see below), whose sum is σ = 1765463040. Its totient is φ = 717704000.

The previous prime is 1198936483. The next prime is 1198936513. The reversal of 1198936497 is 7946398911.

It is a cyclic number.

It is not a de Polignac number, because 1198936497 - 2¹⁶ = 1198870961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1198936897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1162372 + ... + 1163402.

It is an arithmetic number, because the mean of its divisors is an integer number (55170720).

Almost surely, 2^1198936497 is an apocalyptic number.

It is an amenable number.

1198936497 is a deficient number, since it is larger than the sum of its proper divisors (566526543).

1198936497 is a wasteful number, since it uses less digits than its factorization.

1198936497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 2939328, while the sum is 57.

The square root of 1198936497 is about 34625.6624052162. The cubic root of 1198936497 is about 1062.3445484593.

The spelling of 1198936497 in words is "one billion, one hundred ninety-eight million, nine hundred thirty-six thousand, four hundred ninety-seven".