1072238949 has 12 divisors (see below), whose sum is σ = 1557744396. Its totient is φ = 710692992.

The previous prime is 1072238917. The next prime is 1072238971. The reversal of 1072238949 is 9498322701.

It can be written as a sum of positive squares in 2 ways, for example, as 955922724 + 116316225 = 30918^2 + 10785^2 .

It is not a de Polignac number, because 1072238949 - 2⁵ = 1072238917 is a prime.

It is a super-2 number, since 2×1072238949² = 2299392727505249202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072238249) 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 11 ways as a sum of consecutive naturals, for example, 342772 + ... + 345885.

It is an arithmetic number, because the mean of its divisors is an integer number (129812033).

Almost surely, 2^1072238949 is an apocalyptic number.

It is an amenable number.

1072238949 is a deficient number, since it is larger than the sum of its proper divisors (485505447).

1072238949 is a wasteful number, since it uses less digits than its factorization.

1072238949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688836 (or 688833 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1072238949 is about 32745.0599174898. The cubic root of 1072238949 is about 1023.5220258338.

The spelling of 1072238949 in words is "one billion, seventy-two million, two hundred thirty-eight thousand, nine hundred forty-nine".