151120646 has 4 divisors (see below), whose sum is σ = 226680972. Its totient is φ = 75560322.

The previous prime is 151120639. The next prime is 151120657. The reversal of 151120646 is 646021151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646021151 = 5471 ⋅118081.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37780160 + ... + 37780163.

It is an arithmetic number, because the mean of its divisors is an integer number (56670243).

Almost surely, 2^151120646 is an apocalyptic number.

151120646 is a deficient number, since it is larger than the sum of its proper divisors (75560326).

151120646 is an equidigital number, since it uses as much as digits as its factorization.

151120646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75560325.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 151120646 is about 12293.1137634043. The cubic root of 151120646 is about 532.6491853525.

Adding to 151120646 its reverse (646021151), we get a palindrome (797141797).

The spelling of 151120646 in words is "one hundred fifty-one million, one hundred twenty thousand, six hundred forty-six".