1201542 has 8 divisors (see below), whose sum is σ = 2403096. Its totient is φ = 400512.

The previous prime is 1201531. The next prime is 1201553. The reversal of 1201542 is 2451021.

It is an interprime number because it is at equal distance from previous prime (1201531) and next prime (1201553).

It is a sphenic number, since it is the product of 3 distinct primes.

1201542 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100123 + ... + 100134.

It is an arithmetic number, because the mean of its divisors is an integer number (300387).

2^1201542 is an apocalyptic number.

1201542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1201542 is a wasteful number, since it uses less digits than its factorization.

1201542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200262.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1201542 is about 1096.1487125386. The cubic root of 1201542 is about 106.3113546443.

Adding to 1201542 its reverse (2451021), we get a palindrome (3652563).

The spelling of 1201542 in words is "one million, two hundred one thousand, five hundred forty-two".