1949129 has 8 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 1542096.

The previous prime is 1949117. The next prime is 1949141. The reversal of 1949129 is 9219491.

It is an interprime number because it is at equal distance from previous prime (1949117) and next prime (1949141).

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

It is a cyclic number.

It is not a de Polignac number, because 1949129 - 2⁴ = 1949113 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1949179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10619 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (299880).

2^1949129 is an apocalyptic number.

It is an amenable number.

1949129 is a deficient number, since it is larger than the sum of its proper divisors (449911).

1949129 is a wasteful number, since it uses less digits than its factorization.

1949129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439.

The product of its digits is 5832, while the sum is 35.

The square root of 1949129 is about 1396.1121015162. The cubic root of 1949129 is about 124.9146937961.

The spelling of 1949129 in words is "one million, nine hundred forty-nine thousand, one hundred twenty-nine".