1072415128 has 16 divisors (see below), whose sum is σ = 2080116000. Its totient is φ = 517717536.

The previous prime is 1072415117. The next prime is 1072415129. The reversal of 1072415128 is 8215142701.

It is a self number, because there is not a number n which added to its sum of digits gives 1072415128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072415129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311008 + ... + 2311471.

It is an arithmetic number, because the mean of its divisors is an integer number (130007250).

Almost surely, 2^1072415128 is an apocalyptic number.

It is an amenable number.

1072415128 is a deficient number, since it is larger than the sum of its proper divisors (1007700872).

1072415128 is a wasteful number, since it uses less digits than its factorization.

1072415128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622514 (or 4622510 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1072415128 is about 32747.7499685093. The cubic root of 1072415128 is about 1023.5780808801.

Adding to 1072415128 its reverse (8215142701), we get a palindrome (9287557829).

It can be divided in two parts, 10724 and 15128, that added together give a palindrome (25852).

The spelling of 1072415128 in words is "one billion, seventy-two million, four hundred fifteen thousand, one hundred twenty-eight".