1072923172526 has 4 divisors (see below), whose sum is σ = 1609384758792. Its totient is φ = 536461586262.

The previous prime is 1072923172523. The next prime is 1072923172537. The reversal of 1072923172526 is 6252713292701.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1072923172526² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072923172523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268230793130 + ... + 268230793133.

It is an arithmetic number, because the mean of its divisors is an integer number (402346189698).

Almost surely, 2^{1072923172526} is an apocalyptic number.

1072923172526 is a deficient number, since it is larger than the sum of its proper divisors (536461586266).

1072923172526 is an equidigital number, since it uses as much as digits as its factorization.

1072923172526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536461586265.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 1072923172526 in words is "one trillion, seventy-two billion, nine hundred twenty-three million, one hundred seventy-two thousand, five hundred twenty-six".