1461197078 has 8 divisors (see below), whose sum is σ = 2391049800. Its totient is φ = 664180480.

The previous prime is 1461197077. The next prime is 1461197119. The reversal of 1461197078 is 8707911641.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461197077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33209003 + ... + 33209046.

It is an arithmetic number, because the mean of its divisors is an integer number (298881225).

Almost surely, 2^1461197078 is an apocalyptic number.

1461197078 is a deficient number, since it is larger than the sum of its proper divisors (929852722).

1461197078 is a wasteful number, since it uses less digits than its factorization.

1461197078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66418062.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 1461197078 is about 38225.6076210699. The cubic root of 1461197078 is about 1134.7571599726.

The spelling of 1461197078 in words is "one billion, four hundred sixty-one million, one hundred ninety-seven thousand, seventy-eight".