1201290 has 32 divisors (see below), whose sum is σ = 3010176. Its totient is φ = 306240.

The previous prime is 1201283. The next prime is 1201307. The reversal of 1201290 is 921021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (94068).

2^1201290 is an apocalyptic number.

1201290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201290 is an abundant number, since it is smaller than the sum of its proper divisors (1808886).

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

1201290 is a wasteful number, since it uses less digits than its factorization.

1201290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1201290 is about 1096.0337586042. The cubic root of 1201290 is about 106.3039218803.

The spelling of 1201290 in words is "one million, two hundred one thousand, two hundred ninety".