151348121 has 4 divisors (see below), whose sum is σ = 153264000. Its totient is φ = 149432244.

The previous prime is 151348081. The next prime is 151348133. The reversal of 151348121 is 121843151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121843151 = 347 ⋅351133.

It is a cyclic number.

It is not a de Polignac number, because 151348121 - 2²² = 147153817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151348321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957821 + ... + 957978.

It is an arithmetic number, because the mean of its divisors is an integer number (38316000).

Almost surely, 2^151348121 is an apocalyptic number.

It is an amenable number.

151348121 is a deficient number, since it is larger than the sum of its proper divisors (1915879).

151348121 is an equidigital number, since it uses as much as digits as its factorization.

151348121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915878.

The product of its digits is 960, while the sum is 26.

The square root of 151348121 is about 12302.3624154062. The cubic root of 151348121 is about 532.9163088573.

The spelling of 151348121 in words is "one hundred fifty-one million, three hundred forty-eight thousand, one hundred twenty-one".