89701121 has 2 divisors, whose sum is σ = 89701122. Its totient is φ = 89701120.

The previous prime is 89701099. The next prime is 89701123. The reversal of 89701121 is 12110798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 10491121 = 8900^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 89701121 - 2¹⁸ = 89438977 is a prime.

It is a super-2 number, since 2×89701121² = 16092582217313282, which contains 22 as substring.

Together with 89701123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89701123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44850560 + 44850561.

It is an arithmetic number, because the mean of its divisors is an integer number (44850561).

Almost surely, 2^89701121 is an apocalyptic number.

It is an amenable number.

89701121 is a deficient number, since it is larger than the sum of its proper divisors (1).

89701121 is an equidigital number, since it uses as much as digits as its factorization.

89701121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 89701121 is about 9471.0675744607. The cubic root of 89701121 is about 447.6438512596.

It can be divided in two parts, 8970 and 1121, that multiplied together give a triangular number (10055370 = T₄₄₈₄).

The spelling of 89701121 in words is "eighty-nine million, seven hundred one thousand, one hundred twenty-one".