1106887157 has 4 divisors (see below), whose sum is σ = 1107793440. Its totient is φ = 1105980876.

The previous prime is 1106887099. The next prime is 1106887181. The reversal of 1106887157 is 7517886011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106887157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106487157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451307 + ... + 453752.

It is an arithmetic number, because the mean of its divisors is an integer number (276948360).

Almost surely, 2^1106887157 is an apocalyptic number.

It is an amenable number.

1106887157 is a deficient number, since it is larger than the sum of its proper divisors (906283).

1106887157 is an equidigital number, since it uses as much as digits as its factorization.

1106887157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906282.

The product of its (nonzero) digits is 94080, while the sum is 44.

The square root of 1106887157 is about 33269.9136909010. The cubic root of 1106887157 is about 1034.4300212205.

The spelling of 1106887157 in words is "one billion, one hundred six million, eight hundred eighty-seven thousand, one hundred fifty-seven".