1554040101 has 16 divisors (see below), whose sum is σ = 2117438208. Its totient is φ = 1013361600.

The previous prime is 1554040099. The next prime is 1554040121. The reversal of 1554040101 is 1010404551.

It is not a de Polignac number, because 1554040101 - 2¹ = 1554040099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554040121) 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 15 ways as a sum of consecutive naturals, for example, 384471 + ... + 388491.

It is an arithmetic number, because the mean of its divisors is an integer number (132339888).

Almost surely, 2^1554040101 is an apocalyptic number.

It is an amenable number.

1554040101 is a deficient number, since it is larger than the sum of its proper divisors (563398107).

1554040101 is a wasteful number, since it uses less digits than its factorization.

1554040101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1554040101 is about 39421.3153129116. The cubic root of 1554040101 is about 1158.2991574387.

Adding to 1554040101 its reverse (1010404551), we get a palindrome (2564444652).

The spelling of 1554040101 in words is "one billion, five hundred fifty-four million, forty thousand, one hundred one".