1197078630 has 64 divisors (see below), whose sum is σ = 3318547968. Its totient is φ = 273128960.

The previous prime is 1197078607. The next prime is 1197078637. The reversal of 1197078630 is 368707911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197078637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101082 + ... + 112301.

It is an arithmetic number, because the mean of its divisors is an integer number (51852312).

Almost surely, 2^1197078630 is an apocalyptic number.

1197078630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1197078630 is an abundant number, since it is smaller than the sum of its proper divisors (2121469338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1197078630 is a wasteful number, since it uses less digits than its factorization.

1197078630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213421.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1197078630 is about 34598.8241129666. The cubic root of 1197078630 is about 1061.7955298807.

The spelling of 1197078630 in words is "one billion, one hundred ninety-seven million, seventy-eight thousand, six hundred thirty".