1197422135 has 32 divisors (see below), whose sum is σ = 1771953792. Its totient is φ = 756449280.

The previous prime is 1197422129. The next prime is 1197422143. The reversal of 1197422135 is 5312247911.

It is not a de Polignac number, because 1197422135 - 2²⁴ = 1180644919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 1197422095 and 1197422104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260255 + ... + 264815.

It is an arithmetic number, because the mean of its divisors is an integer number (55373556).

Almost surely, 2^1197422135 is an apocalyptic number.

1197422135 is a deficient number, since it is larger than the sum of its proper divisors (574531657).

1197422135 is a wasteful number, since it uses less digits than its factorization.

1197422135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163.

The product of its digits is 15120, while the sum is 35.

The square root of 1197422135 is about 34603.7878706942. The cubic root of 1197422135 is about 1061.8970818820.

The spelling of 1197422135 in words is "one billion, one hundred ninety-seven million, four hundred twenty-two thousand, one hundred thirty-five".