101021046 has 64 divisors (see below), whose sum is σ = 237772800. Its totient is φ = 28600320.

The previous prime is 101021029. The next prime is 101021057. The reversal of 101021046 is 640120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392950 + ... + 393206.

It is an arithmetic number, because the mean of its divisors is an integer number (3715200).

Almost surely, 2^101021046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101021046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118886400).

101021046 is an abundant number, since it is smaller than the sum of its proper divisors (136751754).

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

101021046 is a wasteful number, since it uses less digits than its factorization.

101021046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 101021046 is about 10050.9226442153. The cubic root of 101021046 is about 465.7332955379.

Adding to 101021046 its reverse (640120101), we get a palindrome (741141147).

The spelling of 101021046 in words is "one hundred one million, twenty-one thousand, forty-six".