1197697487 has 8 divisors (see below), whose sum is σ = 1371232896. Its totient is φ = 1024771032.

The previous prime is 1197697411. The next prime is 1197697489. The reversal of 1197697487 is 7847967911.

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

It is a cyclic number.

It is not a de Polignac number, because 1197697487 - 2⁸ = 1197697231 is a prime.

It is a super-2 number, since 2×1197697487² = 2868958540732230338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197697489) 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, 148013 + ... + 155894.

It is an arithmetic number, because the mean of its divisors is an integer number (171404112).

Almost surely, 2^1197697487 is an apocalyptic number.

1197697487 is a deficient number, since it is larger than the sum of its proper divisors (173535409).

1197697487 is an equidigital number, since it uses as much as digits as its factorization.

1197697487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304477.

The product of its digits is 5334336, while the sum is 59.

The square root of 1197697487 is about 34607.7662815733. The cubic root of 1197697487 is about 1061.9784714681.

The spelling of 1197697487 in words is "one billion, one hundred ninety-seven million, six hundred ninety-seven thousand, four hundred eighty-seven".