106121742 has 16 divisors (see below), whose sum is σ = 219090432. Its totient is φ = 34232760.

The previous prime is 106121737. The next prime is 106121749. The reversal of 106121742 is 247121601.

It is a super-2 number, since 2×106121742² = 22523648250229128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106121749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285088 + ... + 285459.

It is an arithmetic number, because the mean of its divisors is an integer number (13693152).

Almost surely, 2^106121742 is an apocalyptic number.

106121742 is an abundant number, since it is smaller than the sum of its proper divisors (112968690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106121742 is a wasteful number, since it uses less digits than its factorization.

106121742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570583.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 106121742 is about 10301.5407585468. The cubic root of 106121742 is about 473.4434618883.

The spelling of 106121742 in words is "one hundred six million, one hundred twenty-one thousand, seven hundred forty-two".