1094551057 has 8 divisors (see below), whose sum is σ = 1129965416. Its totient is φ = 1059443712.

The previous prime is 1094551049. The next prime is 1094551063. The reversal of 1094551057 is 7501554901.

It is a Cunningham number, because it is equal to 33084²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 265168656 + 829382401 = 16284^2 + 28799^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1094551057 - 2³ = 1094551049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094551037) 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, 69498 + ... + 83779.

It is an arithmetic number, because the mean of its divisors is an integer number (141245677).

Almost surely, 2^1094551057 is an apocalyptic number.

It is an amenable number.

1094551057 is a deficient number, since it is larger than the sum of its proper divisors (35414359).

1094551057 is a wasteful number, since it uses less digits than its factorization.

1094551057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153507.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1094551057 is about 33084.0000151130. Note that the first 4 decimals coincide. The cubic root of 1094551057 is about 1030.5727976221.

The spelling of 1094551057 in words is "one billion, ninety-four million, five hundred fifty-one thousand, fifty-seven".