1197734541 has 8 divisors (see below), whose sum is σ = 1690919424. Its totient is φ = 751519680.

The previous prime is 1197734519. The next prime is 1197734621. The reversal of 1197734541 is 1454377911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1197734541 - 2⁵ = 1197734509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1197734493 and 1197734502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197734641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11742445 + ... + 11742546.

It is an arithmetic number, because the mean of its divisors is an integer number (211364928).

Almost surely, 2^1197734541 is an apocalyptic number.

It is an amenable number.

1197734541 is a deficient number, since it is larger than the sum of its proper divisors (493184883).

1197734541 is a wasteful number, since it uses less digits than its factorization.

1197734541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23485011.

The product of its digits is 105840, while the sum is 42.

The square root of 1197734541 is about 34608.3016196981. The cubic root of 1197734541 is about 1061.9894230773.

The spelling of 1197734541 in words is "one billion, one hundred ninety-seven million, seven hundred thirty-four thousand, five hundred forty-one".