1242051 has 4 divisors (see below), whose sum is σ = 1656072. Its totient is φ = 828032.

The previous prime is 1242029. The next prime is 1242061. The reversal of 1242051 is 1502421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502421 = 3 ⋅500807.

It is a cyclic number.

It is not a de Polignac number, because 1242051 - 2⁶ = 1241987 is a prime.

It is a D-number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1242051.

It is not an unprimeable number, because it can be changed into a prime (1242001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207006 + ... + 207011.

It is an arithmetic number, because the mean of its divisors is an integer number (414018).

2^1242051 is an apocalyptic number.

1242051 is a deficient number, since it is larger than the sum of its proper divisors (414021).

1242051 is an equidigital number, since it uses as much as digits as its factorization.

1242051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414020.

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

The square root of 1242051 is about 1114.4734182564. The cubic root of 1242051 is about 107.4929074102.

Adding to 1242051 its reverse (1502421), we get a palindrome (2744472).

The spelling of 1242051 in words is "one million, two hundred forty-two thousand, fifty-one".