1131077121 has 8 divisors (see below), whose sum is σ = 1509046560. Its totient is φ = 753579552.

The previous prime is 1131077119. The next prime is 1131077131. The reversal of 1131077121 is 1217701311.

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

It is not a de Polignac number, because 1131077121 - 2¹ = 1131077119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131077091 and 1131077100.

It is not an unprimeable number, because it can be changed into a prime (1131077131) 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, 112335 + ... + 121988.

It is an arithmetic number, because the mean of its divisors is an integer number (188630820).

Almost surely, 2^1131077121 is an apocalyptic number.

It is an amenable number.

1131077121 is a deficient number, since it is larger than the sum of its proper divisors (377969439).

1131077121 is a wasteful number, since it uses less digits than its factorization.

1131077121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235935.

The product of its (nonzero) digits is 294, while the sum is 24.

The square root of 1131077121 is about 33631.4900205150. The cubic root of 1131077121 is about 1041.9112785696.

Adding to 1131077121 its reverse (1217701311), we get a palindrome (2348778432).

The spelling of 1131077121 in words is "one billion, one hundred thirty-one million, seventy-seven thousand, one hundred twenty-one".