1061373121 has 8 divisors (see below), whose sum is σ = 1125464544. Its totient is φ = 997465920.

The previous prime is 1061373119. The next prime is 1061373139. The reversal of 1061373121 is 1213731601.

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 1061373121 - 2¹ = 1061373119 is a prime.

It is a super-2 number, since 2×1061373121² = 2253025803962561282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061373101) 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, 34095 + ... + 57316.

It is an arithmetic number, because the mean of its divisors is an integer number (140683068).

Almost surely, 2^1061373121 is an apocalyptic number.

It is an amenable number.

1061373121 is a deficient number, since it is larger than the sum of its proper divisors (64091423).

1061373121 is an equidigital number, since it uses as much as digits as its factorization.

1061373121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92111.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1061373121 is about 32578.7219055628. The cubic root of 1061373121 is about 1020.0529003065.

The spelling of 1061373121 in words is "one billion, sixty-one million, three hundred seventy-three thousand, one hundred twenty-one".