1101406272 has 56 divisors (see below), whose sum is σ = 2976164736. Its totient is φ = 359321088.

The previous prime is 1101406259. The next prime is 1101406289. The reversal of 1101406272 is 2726041011.

It is a super-3 number, since 3×1101406272³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 52003 + ... + 70050.

Almost surely, 2^1101406272 is an apocalyptic number.

1101406272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101406272 is an abundant number, since it is smaller than the sum of its proper divisors (1874758464).

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

1101406272 is a wasteful number, since it uses less digits than its factorization.

1101406272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122115 (or 122105 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1101406272 is about 33187.4414801744. The cubic root of 1101406272 is about 1032.7198271060.

Adding to 1101406272 its reverse (2726041011), we get a palindrome (3827447283).

The spelling of 1101406272 in words is "one billion, one hundred one million, four hundred six thousand, two hundred seventy-two".