101421434 has 8 divisors (see below), whose sum is σ = 155670240. Its totient is φ = 49531356.

The previous prime is 101421427. The next prime is 101421443. The reversal of 101421434 is 434124101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589574 + ... + 589745.

It is an arithmetic number, because the mean of its divisors is an integer number (19458780).

Almost surely, 2^101421434 is an apocalyptic number.

101421434 is a deficient number, since it is larger than the sum of its proper divisors (54248806).

101421434 is a wasteful number, since it uses less digits than its factorization.

101421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179364.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 101421434 is about 10070.8209198655. The cubic root of 101421434 is about 466.3477820347.

Adding to 101421434 its reverse (434124101), we get a palindrome (535545535).

The spelling of 101421434 in words is "one hundred one million, four hundred twenty-one thousand, four hundred thirty-four".