1190145 has 16 divisors (see below), whose sum is σ = 2077632. Its totient is φ = 576960.
The previous prime is 1190143. The next prime is 1190149. The reversal of 1190145 is 5410911.
It is not a de Polignac number, because 1190145 - 21 = 1190143 is a prime.
1190145 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1190143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3442 + ... + 3771.
It is an arithmetic number, because the mean of its divisors is an integer number (129852).
21190145 is an apocalyptic number.
1190145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1190145 is a deficient number, since it is larger than the sum of its proper divisors (887487).
1190145 is a wasteful number, since it uses less digits than its factorization.
1190145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7232.
The product of its (nonzero) digits is 180, while the sum is 21.
The square root of 1190145 is about 1090.9376700802. The cubic root of 1190145 is about 105.9741541352.
The spelling of 1190145 in words is "one million, one hundred ninety thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •