1151406 has 24 divisors (see below), whose sum is σ = 2549664. Its totient is φ = 375360.

The previous prime is 1151401. The next prime is 1151413. The reversal of 1151406 is 6041511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (106236).

2^1151406 is an apocalyptic number.

1151406 is an abundant number, since it is smaller than the sum of its proper divisors (1398258).

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

1151406 is a wasteful number, since it uses less digits than its factorization.

1151406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1151406 is about 1073.0358801084. The cubic root of 1151406 is about 104.8116350736.

Adding to 1151406 its reverse (6041511), we get a palindrome (7192917).

It can be divided in two parts, 115 and 1406, that added together give a square (1521 = 39²).

The spelling of 1151406 in words is "one million, one hundred fifty-one thousand, four hundred six".