1139450 has 24 divisors (see below), whose sum is σ = 2283708. Its totient is φ = 420480.

The previous prime is 1139423. The next prime is 1139461. The reversal of 1139450 is 549311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 22201 + 1117249 = 149^2 + 1057^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227 + ... + 1526.

2^1139450 is an apocalyptic number.

1139450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139450 is an abundant number, since it is smaller than the sum of its proper divisors (1144258).

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

1139450 is a wasteful number, since it uses less digits than its factorization.

1139450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1139450 is about 1067.4502330320. The cubic root of 1139450 is about 104.4475901505.

The spelling of 1139450 in words is "one million, one hundred thirty-nine thousand, four hundred fifty".