1215146054 has 8 divisors (see below), whose sum is σ = 1823111928. Its totient is φ = 607442080.

The previous prime is 1215146041. The next prime is 1215146057. The reversal of 1215146054 is 4506415121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215146057) 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, 53432 + ... + 72699.

It is an arithmetic number, because the mean of its divisors is an integer number (227888991).

Almost surely, 2^1215146054 is an apocalyptic number.

1215146054 is a deficient number, since it is larger than the sum of its proper divisors (607965874).

1215146054 is a wasteful number, since it uses less digits than its factorization.

1215146054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130950.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1215146054 is about 34858.9451073896. The cubic root of 1215146054 is about 1067.1107467116.

The spelling of 1215146054 in words is "one billion, two hundred fifteen million, one hundred forty-six thousand, fifty-four".