1072948381 has 2 divisors, whose sum is σ = 1072948382. Its totient is φ = 1072948380.

The previous prime is 1072948343. The next prime is 1072948397. The reversal of 1072948381 is 1838492701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671587225 + 401361156 = 25915^2 + 20034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072948381 is a prime.

It is a super-2 number, since 2×1072948381² = 2302436456581042322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052948381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536474190 + 536474191.

It is an arithmetic number, because the mean of its divisors is an integer number (536474191).

Almost surely, 2^1072948381 is an apocalyptic number.

It is an amenable number.

1072948381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072948381 is an equidigital number, since it uses as much as digits as its factorization.

1072948381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1072948381 is about 32755.8907831859. The cubic root of 1072948381 is about 1023.7477091093.

The spelling of 1072948381 in words is "one billion, seventy-two million, nine hundred forty-eight thousand, three hundred eighty-one".