742151 has 2 divisors, whose sum is σ = 742152. Its totient is φ = 742150.

The previous prime is 742127. The next prime is 742153. The reversal of 742151 is 151247.

742151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (151247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742151 - 2¹⁰ = 741127 is a prime.

It is a Sophie Germain prime.

Together with 742153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371075 + 371076.

It is an arithmetic number, because the mean of its divisors is an integer number (371076).

2⁷⁴²¹⁵¹ is an apocalyptic number.

742151 is a deficient number, since it is larger than the sum of its proper divisors (1).

742151 is an equidigital number, since it uses as much as digits as its factorization.

742151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 20.

The square root of 742151 is about 861.4818628387. The cubic root of 742151 is about 90.5379713070.

Adding to 742151 its reverse (151247), we get a palindrome (893398).

The spelling of 742151 in words is "seven hundred forty-two thousand, one hundred fifty-one".