1955157 has 8 divisors (see below), whose sum is σ = 2744160. Its totient is φ = 1234800.

The previous prime is 1955141. The next prime is 1955179. The reversal of 1955157 is 7515591.

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

It is not a de Polignac number, because 1955157 - 2⁴ = 1955141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17094 + ... + 17207.

It is an arithmetic number, because the mean of its divisors is an integer number (343020).

2^1955157 is an apocalyptic number.

It is an amenable number.

1955157 is a deficient number, since it is larger than the sum of its proper divisors (789003).

1955157 is a wasteful number, since it uses less digits than its factorization.

1955157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34323.

The product of its digits is 7875, while the sum is 33.

The square root of 1955157 is about 1398.2692873692. The cubic root of 1955157 is about 125.0433343087.

It can be divided in two parts, 1955 and 157, that added together give a palindrome (2112).

The spelling of 1955157 in words is "one million, nine hundred fifty-five thousand, one hundred fifty-seven".