1243948 has 6 divisors (see below), whose sum is σ = 2176916. Its totient is φ = 621972.

The previous prime is 1243943. The next prime is 1243951. The reversal of 1243948 is 8493421.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1243943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155490 + ... + 155497.

2^1243948 is an apocalyptic number.

It is an amenable number.

1243948 is a deficient number, since it is larger than the sum of its proper divisors (932968).

1243948 is a wasteful number, since it uses less digits than its factorization.

1243948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310991 (or 310989 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1243948 is about 1115.3241681233. The cubic root of 1243948 is about 107.5476046596.

The spelling of 1243948 in words is "one million, two hundred forty-three thousand, nine hundred forty-eight".