121040587 has 8 divisors (see below), whose sum is σ = 122934240. Its totient is φ = 119152320.

The previous prime is 121040573. The next prime is 121040593. The reversal of 121040587 is 785040121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121040587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121040567) 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, 83989 + ... + 85417.

It is an arithmetic number, because the mean of its divisors is an integer number (15366780).

Almost surely, 2^121040587 is an apocalyptic number.

121040587 is a deficient number, since it is larger than the sum of its proper divisors (1893653).

121040587 is a wasteful number, since it uses less digits than its factorization.

121040587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 121040587 is about 11001.8447089568. The cubic root of 121040587 is about 494.6640403055.

The spelling of 121040587 in words is "one hundred twenty-one million, forty thousand, five hundred eighty-seven".