1101489270 has 64 divisors (see below), whose sum is σ = 3038791680. Its totient is φ = 250305408.

The previous prime is 1101489229. The next prime is 1101489293. The reversal of 1101489270 is 729841011.

It is a super-2 number, since 2×1101489270² = 2426557223850265800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21171 + ... + 51489.

It is an arithmetic number, because the mean of its divisors is an integer number (47481120).

Almost surely, 2^1101489270 is an apocalyptic number.

1101489270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101489270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519395840).

1101489270 is an abundant number, since it is smaller than the sum of its proper divisors (1937302410).

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

1101489270 is a wasteful number, since it uses less digits than its factorization.

1101489270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30509.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1101489270 is about 33188.6918995010. The cubic root of 1101489270 is about 1032.7457671336.

The spelling of 1101489270 in words is "one billion, one hundred one million, four hundred eighty-nine thousand, two hundred seventy".