1541122087 has 2 divisors, whose sum is σ = 1541122088. Its totient is φ = 1541122086.

The previous prime is 1541122073. The next prime is 1541122103. The reversal of 1541122087 is 7802211451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541122087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541122027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770561043 + 770561044.

It is an arithmetic number, because the mean of its divisors is an integer number (770561044).

Almost surely, 2^1541122087 is an apocalyptic number.

1541122087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541122087 is an equidigital number, since it uses as much as digits as its factorization.

1541122087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1541122087 is about 39257.1278496020. The cubic root of 1541122087 is about 1155.0807554588.

The spelling of 1541122087 in words is "one billion, five hundred forty-one million, one hundred twenty-two thousand, eighty-seven".