1021612054 has 8 divisors (see below), whose sum is σ = 1533180168. Its totient is φ = 510552000.

The previous prime is 1021612049. The next prime is 1021612063. The reversal of 1021612054 is 4502161201.

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

It is a congruent number.

It is an unprimeable number.

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, 121947 + ... + 130054.

It is an arithmetic number, because the mean of its divisors is an integer number (191647521).

Almost surely, 2^1021612054 is an apocalyptic number.

1021612054 is a deficient number, since it is larger than the sum of its proper divisors (511568114).

1021612054 is a wasteful number, since it uses less digits than its factorization.

1021612054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254030.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1021612054 is about 31962.6665658546. Note that the first 3 decimals coincide. The cubic root of 1021612054 is about 1007.1527344087.

Adding to 1021612054 its reverse (4502161201), we get a palindrome (5523773255).

The spelling of 1021612054 in words is "one billion, twenty-one million, six hundred twelve thousand, fifty-four".