1120728270 has 32 divisors (see below), whose sum is σ = 2690648352. Its totient is φ = 298760832.

The previous prime is 1120728263. The next prime is 1120728277. The reversal of 1120728270 is 728270211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1120728263) and next prime (1120728277).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120728277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144204 + ... + 151776.

It is an arithmetic number, because the mean of its divisors is an integer number (84082761).

Almost surely, 2^1120728270 is an apocalyptic number.

1120728270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120728270 is an abundant number, since it is smaller than the sum of its proper divisors (1569920082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120728270 is a wasteful number, since it uses less digits than its factorization.

1120728270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 1120728270 is about 33477.2799074238. The cubic root of 1120728270 is about 1038.7238631285.

Adding to 1120728270 its reverse (728270211), we get a palindrome (1848998481).

The spelling of 1120728270 in words is "one billion, one hundred twenty million, seven hundred twenty-eight thousand, two hundred seventy".