1021225241 has 8 divisors (see below), whose sum is σ = 1092005064. Its totient is φ = 951635200.

The previous prime is 1021225237. The next prime is 1021225267. The reversal of 1021225241 is 1425221201.

It can be written as a sum of positive squares in 4 ways, for example, as 272382016 + 748843225 = 16504^2 + 27365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021225241 - 2² = 1021225237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021225141) 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 7 ways as a sum of consecutive naturals, for example, 295670 + ... + 299103.

It is an arithmetic number, because the mean of its divisors is an integer number (136500633).

Almost surely, 2^1021225241 is an apocalyptic number.

It is an amenable number.

1021225241 is a deficient number, since it is larger than the sum of its proper divisors (70779823).

1021225241 is a wasteful number, since it uses less digits than its factorization.

1021225241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594891.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1021225241 is about 31956.6149803135. The cubic root of 1021225241 is about 1007.0256056066.

Adding to 1021225241 its reverse (1425221201), we get a palindrome (2446446442).

It can be divided in two parts, 10212 and 25241, that added together give a palindrome (35453).

The spelling of 1021225241 in words is "one billion, twenty-one million, two hundred twenty-five thousand, two hundred forty-one".