101269428 has 48 divisors (see below), whose sum is σ = 258296640. Its totient is φ = 30691584.

The previous prime is 101269409. The next prime is 101269447. The reversal of 101269428 is 824962101.

It is an interprime number because it is at equal distance from previous prime (101269409) and next prime (101269447).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5608 + ... + 15296.

It is an arithmetic number, because the mean of its divisors is an integer number (5381180).

Almost surely, 2^101269428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101269428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129148320).

101269428 is an abundant number, since it is smaller than the sum of its proper divisors (157027212).

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

101269428 is a wasteful number, since it uses less digits than its factorization.

101269428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776 (or 9774 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 101269428 is about 10063.2712375251. The cubic root of 101269428 is about 466.1146850054.

The spelling of 101269428 in words is "one hundred one million, two hundred sixty-nine thousand, four hundred twenty-eight".