741122021 has 4 divisors (see below), whose sum is σ = 784717452. Its totient is φ = 697526592.

The previous prime is 741122017. The next prime is 741122029. The reversal of 741122021 is 120221147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429069796 + 312052225 = 20714^2 + 17665^2 .

It is not a de Polignac number, because 741122021 - 2² = 741122017 is a prime.

It is a super-2 number, since 2×741122021² = 1098523700022248882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 741121984 and 741122002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741122029) 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 in 3 ways as a sum of consecutive naturals, for example, 21797690 + ... + 21797723.

It is an arithmetic number, because the mean of its divisors is an integer number (196179363).

Almost surely, 2^741122021 is an apocalyptic number.

It is an amenable number.

741122021 is a deficient number, since it is larger than the sum of its proper divisors (43595431).

741122021 is a wasteful number, since it uses less digits than its factorization.

741122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43595430.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 741122021 is about 27223.5563620920. The cubic root of 741122021 is about 904.9610886478.

Adding to 741122021 its reverse (120221147), we get a palindrome (861343168).

The spelling of 741122021 in words is "seven hundred forty-one million, one hundred twenty-two thousand, twenty-one".