987136241 has 64 divisors (see below), whose sum is σ = 1353031680. Its totient is φ = 697973760.

The previous prime is 987136219. The next prime is 987136261. The reversal of 987136241 is 142631789.

987136241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 987136241 - 2⁶ = 987136177 is a prime.

It is a super-2 number, since 2×987136241² = 1948875916591220162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (987136201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4095881 + ... + 4096121.

It is an arithmetic number, because the mean of its divisors is an integer number (21141120).

Almost surely, 2^987136241 is an apocalyptic number.

987136241 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

987136241 is a deficient number, since it is larger than the sum of its proper divisors (365895439).

987136241 is a wasteful number, since it uses less digits than its factorization.

987136241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 72576, while the sum is 41.

The square root of 987136241 is about 31418.7243693948. The cubic root of 987136241 is about 995.6935615427.

It can be divided in two parts, 987136 and 241, that multiplied together give a square (237899776 = 15424²).

The spelling of 987136241 in words is "nine hundred eighty-seven million, one hundred thirty-six thousand, two hundred forty-one".