151121007 has 24 divisors (see below), whose sum is σ = 235057680. Its totient is φ = 93208320.

The previous prime is 151120997. The next prime is 151121011. The reversal of 151121007 is 700121151.

It is a happy number.

151121007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151121007 - 2⁸ = 151120751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151121507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657 + ... + 17397.

It is an arithmetic number, because the mean of its divisors is an integer number (9794070).

Almost surely, 2^151121007 is an apocalyptic number.

151121007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

151121007 is a deficient number, since it is larger than the sum of its proper divisors (83936673).

151121007 is a wasteful number, since it uses less digits than its factorization.

151121007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16823 (or 16820 counting only the distinct ones).

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

The square root of 151121007 is about 12293.1284464127. The cubic root of 151121007 is about 532.6496094864.

Adding to 151121007 its reverse (700121151), we get a palindrome (851242158).

The spelling of 151121007 in words is "one hundred fifty-one million, one hundred twenty-one thousand, seven".