1242041001 has 16 divisors (see below), whose sum is σ = 1744055040. Its totient is φ = 784069200.

The previous prime is 1242040997. The next prime is 1242041107. The reversal of 1242041001 is 1001402421.

It is not a de Polignac number, because 1242041001 - 2² = 1242040997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242041401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158686 + ... + 166328.

It is an arithmetic number, because the mean of its divisors is an integer number (109003440).

Almost surely, 2^1242041001 is an apocalyptic number.

It is an amenable number.

1242041001 is a deficient number, since it is larger than the sum of its proper divisors (502014039).

1242041001 is a wasteful number, since it uses less digits than its factorization.

1242041001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1242041001 is about 35242.6020747617. The cubic root of 1242041001 is about 1074.9261895600.

Adding to 1242041001 its reverse (1001402421), we get a palindrome (2243443422).

The spelling of 1242041001 in words is "one billion, two hundred forty-two million, forty-one thousand, one".