1106870391 has 48 divisors (see below), whose sum is σ = 1881753120. Its totient is φ = 619407360.

The previous prime is 1106870389. The next prime is 1106870393. The reversal of 1106870391 is 1930786011.

It is an interprime number because it is at equal distance from previous prime (1106870389) and next prime (1106870393).

It is not a de Polignac number, because 1106870391 - 2¹ = 1106870389 is a prime.

It is a super-3 number, since 3×1106870391³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106870393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82995 + ... + 95403.

It is an arithmetic number, because the mean of its divisors is an integer number (39203190).

Almost surely, 2^1106870391 is an apocalyptic number.

1106870391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1106870391 is a deficient number, since it is larger than the sum of its proper divisors (774882729).

1106870391 is a wasteful number, since it uses less digits than its factorization.

1106870391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12496 (or 12493 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1106870391 is about 33269.6617205526. The cubic root of 1106870391 is about 1034.4247983631.

The spelling of 1106870391 in words is "one billion, one hundred six million, eight hundred seventy thousand, three hundred ninety-one".