749124031 has 2 divisors, whose sum is σ = 749124032. Its totient is φ = 749124030.

The previous prime is 749124017. The next prime is 749124059. The reversal of 749124031 is 130421947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749124031 - 2¹³ = 749115839 is a prime.

It is a super-2 number, since 2×749124031² = 1122373627643377922, which contains 22 as substring.

It is equal to p_38660260 and since 749124031 and 38660260 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 749123984 and 749124002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749125031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374562015 + 374562016.

It is an arithmetic number, because the mean of its divisors is an integer number (374562016).

Almost surely, 2^749124031 is an apocalyptic number.

749124031 is a deficient number, since it is larger than the sum of its proper divisors (1).

749124031 is an equidigital number, since it uses as much as digits as its factorization.

749124031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 749124031 is about 27370.1302700590. The cubic root of 749124031 is about 908.2064383256.

Adding to 749124031 its reverse (130421947), we get a palindrome (879545978).

The spelling of 749124031 in words is "seven hundred forty-nine million, one hundred twenty-four thousand, thirty-one".