49001129 has 2 divisors, whose sum is σ = 49001130. Its totient is φ = 49001128.

The previous prime is 49001087. The next prime is 49001131. The reversal of 49001129 is 92110094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42549529 + 6451600 = 6523^2 + 2540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49001129 is a prime.

It is a super-2 number, since 2×49001129² = 4802221286549282, which contains 22 as substring.

Together with 49001131, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49001098 and 49001107.

It is not a weakly prime, because it can be changed into another prime (49001149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24500564 + 24500565.

It is an arithmetic number, because the mean of its divisors is an integer number (24500565).

Almost surely, 2^49001129 is an apocalyptic number.

It is an amenable number.

49001129 is a deficient number, since it is larger than the sum of its proper divisors (1).

49001129 is an equidigital number, since it uses as much as digits as its factorization.

49001129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 49001129 is about 7000.0806423926. The cubic root of 49001129 is about 365.9333814271.

The spelling of 49001129 in words is "forty-nine million, one thousand, one hundred twenty-nine".