121041742 has 16 divisors (see below), whose sum is σ = 191442960. Its totient is φ = 57238272.

The previous prime is 121041721. The next prime is 121041749. The reversal of 121041742 is 247140121.

It is a super-2 number, since 2×121041742² = 29302206612789128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121041749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23208 + ... + 27940.

It is an arithmetic number, because the mean of its divisors is an integer number (11965185).

Almost surely, 2^121041742 is an apocalyptic number.

121041742 is a deficient number, since it is larger than the sum of its proper divisors (70401218).

121041742 is a wasteful number, since it uses less digits than its factorization.

121041742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 121041742 is about 11001.8972000287. The cubic root of 121041742 is about 494.6656137038.

Adding to 121041742 its reverse (247140121), we get a palindrome (368181863).

The spelling of 121041742 in words is "one hundred twenty-one million, forty-one thousand, seven hundred forty-two".