1081022951 has 2 divisors, whose sum is σ = 1081022952. Its totient is φ = 1081022950.

The previous prime is 1081022947. The next prime is 1081022981. The reversal of 1081022951 is 1592201801.

It is a weak prime.

It is an emirp because it is prime and its reverse (1592201801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1081022951 - 2² = 1081022947 is a prime.

It is a super-2 number, since 2×1081022951² = 2337221241177496802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081022981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540511475 + 540511476.

It is an arithmetic number, because the mean of its divisors is an integer number (540511476).

Almost surely, 2^1081022951 is an apocalyptic number.

1081022951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081022951 is an equidigital number, since it uses as much as digits as its factorization.

1081022951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 1081022951 is about 32878.9134704905. The cubic root of 1081022951 is about 1026.3093957136.

The spelling of 1081022951 in words is "one billion, eighty-one million, twenty-two thousand, nine hundred fifty-one".