749129 has 2 divisors, whose sum is σ = 749130. Its totient is φ = 749128.

The previous prime is 749093. The next prime is 749137. The reversal of 749129 is 921947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 76729 = 820^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 749129 - 2¹² = 745033 is a prime.

It is a super-2 number, since 2×749129² = 1122388517282, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 749095 and 749104.

It is not a weakly prime, because it can be changed into another prime (749149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374564 + 374565.

It is an arithmetic number, because the mean of its divisors is an integer number (374565).

2⁷⁴⁹¹²⁹ is an apocalyptic number.

It is an amenable number.

749129 is a deficient number, since it is larger than the sum of its proper divisors (1).

749129 is an equidigital number, since it uses as much as digits as its factorization.

749129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 749129 is about 865.5223856146. The cubic root of 749129 is about 90.8208446390.

It can be divided in two parts, 749 and 129, that added together give a palindrome (878).

The spelling of 749129 in words is "seven hundred forty-nine thousand, one hundred twenty-nine".