1201487 has 4 divisors (see below), whose sum is σ = 1373136. Its totient is φ = 1029840.

The previous prime is 1201483. The next prime is 1201489. The reversal of 1201487 is 7841021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1201487 - 2² = 1201483 is a prime.

It is a super-2 number, since 2×1201487² = 2887142022338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 85814 + ... + 85827.

It is an arithmetic number, because the mean of its divisors is an integer number (343284).

2^1201487 is an apocalyptic number.

1201487 is a deficient number, since it is larger than the sum of its proper divisors (171649).

1201487 is an equidigital number, since it uses as much as digits as its factorization.

1201487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171648.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1201487 is about 1096.1236244147. The cubic root of 1201487 is about 106.3097325028.

The spelling of 1201487 in words is "one million, two hundred one thousand, four hundred eighty-seven".