1126361857 has 16 divisors (see below), whose sum is σ = 1212989440. Its totient is φ = 1042726608.

The previous prime is 1126361851. The next prime is 1126361879. The reversal of 1126361857 is 7581636211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1126361857 - 2¹⁵ = 1126329089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126361851) 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, 158188 + ... + 165154.

It is an arithmetic number, because the mean of its divisors is an integer number (75811840).

Almost surely, 2^1126361857 is an apocalyptic number.

It is an amenable number.

1126361857 is a deficient number, since it is larger than the sum of its proper divisors (86627583).

1126361857 is a wasteful number, since it uses less digits than its factorization.

1126361857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180.

The product of its digits is 60480, while the sum is 40.

The square root of 1126361857 is about 33561.3148878288. The cubic root of 1126361857 is about 1040.4614129216.

The spelling of 1126361857 in words is "one billion, one hundred twenty-six million, three hundred sixty-one thousand, eight hundred fifty-seven".