1001620054 has 16 divisors (see below), whose sum is σ = 1569547008. Its totient is φ = 478487592.

The previous prime is 1001620033. The next prime is 1001620091. The reversal of 1001620054 is 4500261001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29719 + ... + 53725.

It is an arithmetic number, because the mean of its divisors is an integer number (98096688).

Almost surely, 2^1001620054 is an apocalyptic number.

1001620054 is a deficient number, since it is larger than the sum of its proper divisors (567926954).

1001620054 is a wasteful number, since it uses less digits than its factorization.

1001620054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24939.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1001620054 is about 31648.3815383978. The cubic root of 1001620054 is about 1000.5397266427.

Adding to 1001620054 its reverse (4500261001), we get a palindrome (5501881055).

It can be divided in two parts, 1001 and 620054, that added together give a triangular number (621055 = T₁₁₁₄).

The spelling of 1001620054 in words is "one billion, one million, six hundred twenty thousand, fifty-four".