1541040987 has 24 divisors (see below), whose sum is σ = 2107342848. Its totient is φ = 1001639520.

The previous prime is 1541040959. The next prime is 1541041049. The reversal of 1541040987 is 7890401451.

It is not a de Polignac number, because 1541040987 - 2⁷ = 1541040859 is a prime.

It is a super-2 number, since 2×1541040987² = 4749614647227868338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1541040187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417158 + ... + 1418244.

It is an arithmetic number, because the mean of its divisors is an integer number (87805952).

Almost surely, 2^1541040987 is an apocalyptic number.

1541040987 is a deficient number, since it is larger than the sum of its proper divisors (566301861).

1541040987 is a wasteful number, since it uses less digits than its factorization.

1541040987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1541040987 is about 39256.0949025753. The cubic root of 1541040987 is about 1155.0604934490.

The spelling of 1541040987 in words is "one billion, five hundred forty-one million, forty thousand, nine hundred eighty-seven".