1310166121 has 8 divisors (see below), whose sum is σ = 1430035488. Its totient is φ = 1190424000.

The previous prime is 1310166119. The next prime is 1310166191. The reversal of 1310166121 is 1216610131.

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 1310166121 - 2¹ = 1310166119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310166092 and 1310166101.

It is not an unprimeable number, because it can be changed into a prime (1310166191) 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, 9600 + ... + 52081.

It is an arithmetic number, because the mean of its divisors is an integer number (178754436).

Almost surely, 2^1310166121 is an apocalyptic number.

1310166121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1310166121 is a deficient number, since it is larger than the sum of its proper divisors (119869367).

1310166121 is a wasteful number, since it uses less digits than its factorization.

1310166121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63623.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1310166121 is about 36196.2169432111. The cubic root of 1310166121 is about 1094.2304305461.

Adding to 1310166121 its reverse (1216610131), we get a palindrome (2526776252).

The spelling of 1310166121 in words is "one billion, three hundred ten million, one hundred sixty-six thousand, one hundred twenty-one".