1031272426 has 8 divisors (see below), whose sum is σ = 1584638244. Its totient is φ = 503059680.

The previous prime is 1031272423. The next prime is 1031272433. The reversal of 1031272426 is 6242721301.

It can be written as a sum of positive squares in 2 ways, for example, as 1029447225 + 1825201 = 32085^2 + 1351^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1031272394 and 1031272403.

It is not an unprimeable number, because it can be changed into a prime (1031272423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6288165 + ... + 6288328.

Almost surely, 2^1031272426 is an apocalyptic number.

1031272426 is a deficient number, since it is larger than the sum of its proper divisors (553365818).

1031272426 is a wasteful number, since it uses less digits than its factorization.

1031272426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12576536.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1031272426 is about 32113.4306171110. The cubic root of 1031272426 is about 1010.3173286458.

Adding to 1031272426 its reverse (6242721301), we get a palindrome (7273993727).

The spelling of 1031272426 in words is "one billion, thirty-one million, two hundred seventy-two thousand, four hundred twenty-six".