10977121 has 4 divisors (see below), whose sum is σ = 11622852. Its totient is φ = 10331392.

The previous prime is 10977103. The next prime is 10977137. The reversal of 10977121 is 12177901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12177901 = 43 ⋅283207.

It can be written as a sum of positive squares in 2 ways, for example, as 8208225 + 2768896 = 2865^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 10977121 - 2⁵ = 10977089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10977121.

It is not an unprimeable number, because it can be changed into a prime (10977181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322840 + ... + 322873.

It is an arithmetic number, because the mean of its divisors is an integer number (2905713).

Almost surely, 2^10977121 is an apocalyptic number.

It is an amenable number.

10977121 is a deficient number, since it is larger than the sum of its proper divisors (645731).

10977121 is an equidigital number, since it uses as much as digits as its factorization.

10977121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645730.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 10977121 is about 3313.1738559876. The cubic root of 10977121 is about 222.2437128198.

The spelling of 10977121 in words is "ten million, nine hundred seventy-seven thousand, one hundred twenty-one".