541221087 has 16 divisors (see below), whose sum is σ = 794593152. Its totient is φ = 324945120.

The previous prime is 541221077. The next prime is 541221151. The reversal of 541221087 is 780122145.

It is not a de Polignac number, because 541221087 - 2¹⁰ = 541220063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541221007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73108 + ... + 80169.

It is an arithmetic number, because the mean of its divisors is an integer number (49662072).

Almost surely, 2^541221087 is an apocalyptic number.

541221087 is a deficient number, since it is larger than the sum of its proper divisors (253372065).

541221087 is a wasteful number, since it uses less digits than its factorization.

541221087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153398.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 541221087 is about 23264.1588500423. The cubic root of 541221087 is about 814.9386266153.

The spelling of 541221087 in words is "five hundred forty-one million, two hundred twenty-one thousand, eighty-seven".