971121337 has 2 divisors, whose sum is σ = 971121338. Its totient is φ = 971121336.

The previous prime is 971121329. The next prime is 971121377. The reversal of 971121337 is 733121179.

971121337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692531856 + 278589481 = 26316^2 + 16691^2 .

It is a cyclic number.

It is not a de Polignac number, because 971121337 - 2³ = 971121329 is a prime.

It is not a weakly prime, because it can be changed into another prime (971121377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485560668 + 485560669.

It is an arithmetic number, because the mean of its divisors is an integer number (485560669).

Almost surely, 2^971121337 is an apocalyptic number.

It is an amenable number.

971121337 is a deficient number, since it is larger than the sum of its proper divisors (1).

971121337 is an equidigital number, since it uses as much as digits as its factorization.

971121337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 971121337 is about 31162.8197857639. The cubic root of 971121337 is about 990.2795989514.

The spelling of 971121337 in words is "nine hundred seventy-one million, one hundred twenty-one thousand, three hundred thirty-seven".