739121 has 2 divisors, whose sum is σ = 739122. Its totient is φ = 739120.

The previous prime is 739117. The next prime is 739153. The reversal of 739121 is 121937.

739121 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., 579121 + 160000 = 761^2 + 400^2 .

It is an emirp because it is prime and its reverse (121937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 739121 - 2² = 739117 is a prime.

It is not a weakly prime, because it can be changed into another prime (739111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369560 + 369561.

It is an arithmetic number, because the mean of its divisors is an integer number (369561).

2⁷³⁹¹²¹ is an apocalyptic number.

It is an amenable number.

739121 is a deficient number, since it is larger than the sum of its proper divisors (1).

739121 is an equidigital number, since it uses as much as digits as its factorization.

739121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 23.

The square root of 739121 is about 859.7214665227. The cubic root of 739121 is about 90.4145892996.

The spelling of 739121 in words is "seven hundred thirty-nine thousand, one hundred twenty-one".