1051949 has 2 divisors, whose sum is σ = 1051950. Its totient is φ = 1051948.

The previous prime is 1051927. The next prime is 1051957. The reversal of 1051949 is 9491501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 15625 = 1018^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051949 - 2²⁰ = 3373 is a prime.

It is a super-2 number, since 2×1051949² = 2213193397202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525974 + 525975.

It is an arithmetic number, because the mean of its divisors is an integer number (525975).

2^1051949 is an apocalyptic number.

It is an amenable number.

1051949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051949 is an equidigital number, since it uses as much as digits as its factorization.

1051949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1051949 is about 1025.6456503101. The cubic root of 1051949 is about 101.7024843191.

The spelling of 1051949 in words is "one million, fifty-one thousand, nine hundred forty-nine".