1242411101 has 4 divisors (see below), whose sum is σ = 1246406304. Its totient is φ = 1238415900.

The previous prime is 1242411097. The next prime is 1242411109. The reversal of 1242411101 is 1011142421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1242411101 - 2² = 1242411097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1242411101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242411109) 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, 1997135 + ... + 1997756.

It is an arithmetic number, because the mean of its divisors is an integer number (311601576).

Almost surely, 2^1242411101 is an apocalyptic number.

It is an amenable number.

1242411101 is a deficient number, since it is larger than the sum of its proper divisors (3995203).

1242411101 is an equidigital number, since it uses as much as digits as its factorization.

1242411101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995202.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1242411101 is about 35247.8524310347. The cubic root of 1242411101 is about 1075.0329468179.

Adding to 1242411101 its reverse (1011142421), we get a palindrome (2253553522).

The spelling of 1242411101 in words is "one billion, two hundred forty-two million, four hundred eleven thousand, one hundred one".