1955150 has 12 divisors (see below), whose sum is σ = 3636672. Its totient is φ = 782040.

The previous prime is 1955141. The next prime is 1955179. The reversal of 1955150 is 515591.

1955150 = 123² + 124² + ... + 197².

It is a super-2 number, since 2×1955150² = 7645223045000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19502 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (303056).

2^1955150 is an apocalyptic number.

1955150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1955150 is a deficient number, since it is larger than the sum of its proper divisors (1681522).

1955150 is a wasteful number, since it uses less digits than its factorization.

1955150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39115 (or 39110 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 1955150 is about 1398.2667842726. The cubic root of 1955150 is about 125.0431850787.

The spelling of 1955150 in words is "one million, nine hundred fifty-five thousand, one hundred fifty".