1072281748 has 6 divisors (see below), whose sum is σ = 1876493066. Its totient is φ = 536140872.

The previous prime is 1072281709. The next prime is 1072281761. The reversal of 1072281748 is 8471822701.

It can be written as a sum of positive squares in only one way, i.e., 634133124 + 438148624 = 25182^2 + 20932^2 .

It is a super-2 number, since 2×1072281748² = 2299576294187871008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072281748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134035215 + ... + 134035222.

Almost surely, 2^1072281748 is an apocalyptic number.

It is an amenable number.

1072281748 is a deficient number, since it is larger than the sum of its proper divisors (804211318).

1072281748 is a wasteful number, since it uses less digits than its factorization.

1072281748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268070441 (or 268070439 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1072281748 is about 32745.7134293941. The cubic root of 1072281748 is about 1023.5356437985.

The spelling of 1072281748 in words is "one billion, seventy-two million, two hundred eighty-one thousand, seven hundred forty-eight".