1197428452 has 24 divisors (see below), whose sum is σ = 2341759392. Its totient is φ = 531009600.

The previous prime is 1197428443. The next prime is 1197428471. The reversal of 1197428452 is 2548247911.

It is a junction number, because it is equal to n+sod(n) for n = 1197428399 and 1197428408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330078 + ... + 333685.

It is an arithmetic number, because the mean of its divisors is an integer number (97573308).

Almost surely, 2^1197428452 is an apocalyptic number.

It is an amenable number.

1197428452 is a deficient number, since it is larger than the sum of its proper divisors (1144330940).

1197428452 is a wasteful number, since it uses less digits than its factorization.

1197428452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663819 (or 663817 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 1197428452 is about 34603.8791467084. The cubic root of 1197428452 is about 1061.8989492246.

The spelling of 1197428452 in words is "one billion, one hundred ninety-seven million, four hundred twenty-eight thousand, four hundred fifty-two".