1052720126 has 16 divisors (see below), whose sum is σ = 1661223600. Its totient is φ = 499594368.

The previous prime is 1052720117. The next prime is 1052720159. The reversal of 1052720126 is 6210272501.

It is a super-2 number, since 2×1052720126² = 2216439327370911752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052720095 and 1052720104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150395 + ... + 157238.

It is an arithmetic number, because the mean of its divisors is an integer number (103826475).

Almost surely, 2^1052720126 is an apocalyptic number.

1052720126 is a deficient number, since it is larger than the sum of its proper divisors (608503474).

1052720126 is a wasteful number, since it uses less digits than its factorization.

1052720126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307723.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1052720126 is about 32445.6487991842. The cubic root of 1052720126 is about 1017.2732908329.

Adding to 1052720126 its reverse (6210272501), we get a palindrome (7262992627).

The spelling of 1052720126 in words is "one billion, fifty-two million, seven hundred twenty thousand, one hundred twenty-six".