151101720 has 512 divisors, whose sum is σ = 663552000. Its totient is φ = 29652480.

The previous prime is 151101677. The next prime is 151101733. The reversal of 151101720 is 27101151.

It is a happy number.

151101720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 151101693 and 151101702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1912641 + ... + 1912719.

It is an arithmetic number, because the mean of its divisors is an integer number (1296000).

Almost surely, 2^151101720 is an apocalyptic number.

151101720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151101720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331776000).

151101720 is an abundant number, since it is smaller than the sum of its proper divisors (512450280).

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

151101720 is a wasteful number, since it uses less digits than its factorization.

151101720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 151101720 is about 12292.3439587411. The cubic root of 151101720 is about 532.6269485070.

Adding to 151101720 its reverse (27101151), we get a palindrome (178202871).

The spelling of 151101720 in words is "one hundred fifty-one million, one hundred one thousand, seven hundred twenty".