1072258643 has 8 divisors (see below), whose sum is σ = 1121337888. Its totient is φ = 1023384384.

The previous prime is 1072258639. The next prime is 1072258651. The reversal of 1072258643 is 3468522701.

It is a happy number.

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 1072258643 - 2² = 1072258639 is a prime.

It is a super-2 number, since 2×1072258643² = 2299477194976402898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072258597 and 1072258606.

It is not an unprimeable number, because it can be changed into a prime (1072258613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40496 + ... + 61517.

It is an arithmetic number, because the mean of its divisors is an integer number (140167236).

Almost surely, 2^1072258643 is an apocalyptic number.

1072258643 is a deficient number, since it is larger than the sum of its proper divisors (49079245).

1072258643 is a wasteful number, since it uses less digits than its factorization.

1072258643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102493.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1072258643 is about 32745.3606332256. The cubic root of 1072258643 is about 1023.5282921981.

The spelling of 1072258643 in words is "one billion, seventy-two million, two hundred fifty-eight thousand, six hundred forty-three".