1201342126 has 4 divisors (see below), whose sum is σ = 1802013192. Its totient is φ = 600671062.

The previous prime is 1201342097. The next prime is 1201342147. The reversal of 1201342126 is 6212431021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201342097 and 1201342106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300335530 + ... + 300335533.

It is an arithmetic number, because the mean of its divisors is an integer number (450503298).

Almost surely, 2^1201342126 is an apocalyptic number.

1201342126 is a deficient number, since it is larger than the sum of its proper divisors (600671066).

1201342126 is an equidigital number, since it uses as much as digits as its factorization.

1201342126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600671065.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1201342126 is about 34660.3826580146. The cubic root of 1201342126 is about 1063.0545942691.

Adding to 1201342126 its reverse (6212431021), we get a palindrome (7413773147).

The spelling of 1201342126 in words is "one billion, two hundred one million, three hundred forty-two thousand, one hundred twenty-six".