1540980103 has 8 divisors (see below), whose sum is σ = 1660237488. Its totient is φ = 1421825664.

The previous prime is 1540980071. The next prime is 1540980127. The reversal of 1540980103 is 3010890451.

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

It is a cyclic number.

It is not a de Polignac number, because 1540980103 - 2⁵ = 1540980071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540980143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6900 + ... + 55942.

It is an arithmetic number, because the mean of its divisors is an integer number (207529686).

Almost surely, 2^1540980103 is an apocalyptic number.

1540980103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1540980103 is a deficient number, since it is larger than the sum of its proper divisors (119257385).

1540980103 is a wasteful number, since it uses less digits than its factorization.

1540980103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51473.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1540980103 is about 39255.3194229776. The cubic root of 1540980103 is about 1155.0452817339.

The spelling of 1540980103 in words is "one billion, five hundred forty million, nine hundred eighty thousand, one hundred three".