740121047 has 2 divisors, whose sum is σ = 740121048. Its totient is φ = 740121046.

The previous prime is 740121029. The next prime is 740121089.

740121047 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 740121047 - 2¹⁰ = 740120023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370060523 + 370060524.

It is an arithmetic number, because the mean of its divisors is an integer number (370060524).

Almost surely, 2^740121047 is an apocalyptic number.

740121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

740121047 is an equidigital number, since it uses as much as digits as its factorization.

740121047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 740121047 is about 27205.1658146022. The cubic root of 740121047 is about 904.5534856631.

The spelling of 740121047 in words is "seven hundred forty million, one hundred twenty-one thousand, forty-seven".