151530122 has 8 divisors (see below), whose sum is σ = 228656736. Its totient is φ = 75311212.

The previous prime is 151530107. The next prime is 151530157. The reversal of 151530122 is 221035151.

It is a happy number.

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

It is a super-2 number, since 2×151530122² = 45922755746669768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151530094 and 151530103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226508 + ... + 227175.

It is an arithmetic number, because the mean of its divisors is an integer number (28582092).

Almost surely, 2^151530122 is an apocalyptic number.

151530122 is a deficient number, since it is larger than the sum of its proper divisors (77126614).

151530122 is a wasteful number, since it uses less digits than its factorization.

151530122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453852.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151530122 is about 12309.7571868823. The cubic root of 151530122 is about 533.1298396410.

Adding to 151530122 its reverse (221035151), we get a palindrome (372565273).

The spelling of 151530122 in words is "one hundred fifty-one million, five hundred thirty thousand, one hundred twenty-two".