1026354542 has 4 divisors (see below), whose sum is σ = 1539531816. Its totient is φ = 513177270.

The previous prime is 1026354533. The next prime is 1026354547. The reversal of 1026354542 is 2454536201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2454536201 = 13 ⋅188810477.

It is a junction number, because it is equal to n+sod(n) for n = 1026354499 and 1026354508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026354547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256588634 + ... + 256588637.

It is an arithmetic number, because the mean of its divisors is an integer number (384882954).

Almost surely, 2^1026354542 is an apocalyptic number.

1026354542 is a deficient number, since it is larger than the sum of its proper divisors (513177274).

1026354542 is an equidigital number, since it uses as much as digits as its factorization.

1026354542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513177273.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1026354542 is about 32036.7685948505. The cubic root of 1026354542 is about 1008.7087842438.

The spelling of 1026354542 in words is "one billion, twenty-six million, three hundred fifty-four thousand, five hundred forty-two".