149031127 has 4 divisors (see below), whose sum is σ = 170321296. Its totient is φ = 127740960.

The previous prime is 149031107. The next prime is 149031131. The reversal of 149031127 is 721130941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149031127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149031095 and 149031104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149031107) 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, 10645074 + ... + 10645087.

It is an arithmetic number, because the mean of its divisors is an integer number (42580324).

Almost surely, 2^149031127 is an apocalyptic number.

149031127 is a deficient number, since it is larger than the sum of its proper divisors (21290169).

149031127 is an equidigital number, since it uses as much as digits as its factorization.

149031127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21290168.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 149031127 is about 12207.8305607508. The cubic root of 149031127 is about 530.1828335626.

The spelling of 149031127 in words is "one hundred forty-nine million, thirty-one thousand, one hundred twenty-seven".