101220346 has 8 divisors (see below), whose sum is σ = 160761780. Its totient is φ = 47633088.

The previous prime is 101220337. The next prime is 101220347. The reversal of 101220346 is 643022101.

It can be written as a sum of positive squares in 2 ways, for example, as 76370121 + 24850225 = 8739^2 + 4985^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101220347) 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, 1488501 + ... + 1488568.

Almost surely, 2^101220346 is an apocalyptic number.

101220346 is a deficient number, since it is larger than the sum of its proper divisors (59541434).

101220346 is a wasteful number, since it uses less digits than its factorization.

101220346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977088.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 101220346 is about 10060.8322717358. The cubic root of 101220346 is about 466.0393692908.

Adding to 101220346 its reverse (643022101), we get a palindrome (744242447).

The spelling of 101220346 in words is "one hundred one million, two hundred twenty thousand, three hundred forty-six".